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	<title>Computer Articles - Internet and Computer News &#187; Phrase</title>
	<atom:link href="http://www.computerarticles.co.uk/tag/phrase/feed/" rel="self" type="application/rss+xml" />
	<link>http://www.computerarticles.co.uk</link>
	<description>This is an archive of the work of Chris Holgate, first published in the weekly Herald Express Click column.</description>
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		<title>Mahalo</title>
		<link>http://www.computerarticles.co.uk/mahalo/</link>
		<comments>http://www.computerarticles.co.uk/mahalo/#comments</comments>
		<pubDate>Fri, 26 Sep 2008 17:06:07 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Blair]]></category>
		<category><![CDATA[Central Database]]></category>
		<category><![CDATA[Changeover]]></category>
		<category><![CDATA[Controversies]]></category>
		<category><![CDATA[Crawlers]]></category>
		<category><![CDATA[Downside]]></category>
		<category><![CDATA[Google]]></category>
		<category><![CDATA[Gordon Brown]]></category>
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		<category><![CDATA[Phrase]]></category>
		<category><![CDATA[Proceedings]]></category>
		<category><![CDATA[Recent News]]></category>
		<category><![CDATA[Relevant Material]]></category>
		<category><![CDATA[Search Engine]]></category>
		<category><![CDATA[Search Engines]]></category>
		<category><![CDATA[Verges]]></category>
		<category><![CDATA[Whole Lot]]></category>

		<guid isPermaLink="false">http://www.computerarticles.co.uk/?p=638</guid>
		<description><![CDATA[<p>I came across an interesting search engine the other day which appears to be heading in a completely different direction to practically anything else available at present. As you probably know, search engines function by using crawlers that search the Internet endlessly picking up new and revised content and then cataloguing the whole lot neatly [...]]]></description>
			<content:encoded><![CDATA[<p><span style="font-size: 10pt; line-height: 150%;">I came across an interesting search engine the other day which appears to be heading in a completely different direction to practically anything else available at present.<span> </span>As you probably know, search engines function by using crawlers that search the Internet endlessly picking up new and revised content and then cataloguing the whole lot neatly in a central database.<span> </span>When a user types in a phrase, the search engine refers to this database and, by using a number of algorithms, returns the sites that it feels most appropriate.</span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;"> </span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;">The relatively new search engine Mahalo (Hawaiian for ‘Thank-You’) puts a spin on proceedings by pitching itself as a human powered search engine.<span> </span>Of course this doesn’t mean that whenever you perform a search that humans immediately start searching the net for relevant material, but rather that contributors create their own results pages which are then returned when a specific search is performed.<span> </span>The idea verges on the ridiculous but does certainly hold some merit.</span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;"> </span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;">The obvious downside is that humans simply can’t keep up with the speed of the crawlers that the likes of Google use; the computers running these crawlers are online 24 hours a day, 7 days a week and can sift through entire websites in seconds, noting every last detail as they go.<span> </span>A human based search engine is always going to be comparatively out of date and limited in terms the amount of material that can be catalogued.</span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;"> </span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;">As I said, there are advantages but these can only really be appreciated by using it.<span> </span>Head to <a href="http://www.mahalo.com/">www.mahalo.com</a> and type in a phrase that interests you &#8211; I remained topical and typed in ‘Gordon Brown’ since he appears to be hitting the headlines a fair bit at the moment.<span> </span>Mahalo immediately returned to me a quick overview on the man, a photo, twelve fast facts and a large number of vetted websites with useful information which have been split in to a number of useful categories such as ‘recent news’, ‘Brown Blair Changeover’ and ‘Controversies’.<span> </span>In contrast, if you type the same in to Google it immediately returns 13,000,000 results for pages which mention the words Gordon or Brown; of course the most relevant sites are at the top but it still is a little more cumbersome to navigate.</span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;"> </span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;">It is also fairly safe to say that humans are better equipped to work out what other humans will find interesting and as such you won’t find links to any pages that contain adult content, hate speech, spam, intrusive advertising, malicious material and even sites written with a poor grasp of the English language.<span> </span></span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;"> </span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;">The amount of content is incredibly underwhelming; a search for Paignton yielded nothing and then more worrying even the entire county, Devon, came back with no results.<span> </span>In its defence, the site is only a year old and there is a lot of information to be catalogued so it will certainly take some time however even at this early stage such lack of scope is worrying.<span> </span>I fear that unless there is a serious amount of manpower that any existing results could also soon become stale and irrelevant.</span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;"> </span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;">Mahalo will never be able to compete with the likes of Google in terms of the sheer scope and depth of results but to compare the two against each other would be missing the point.<span> </span>Mahalo isn’t trying to be Google; it is a humanly edited search engine which is being built to provide relevant, human picked material for popular subjects.<span> </span>Google on the other hand is a vast machine driven database of over 100,000,000 websites which is added to every second of every day.<span> </span>They both have their purpose, and as such would hope that there is room for them both to peacefully co-exist.</span></p>
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		<title>Money Saving</title>
		<link>http://www.computerarticles.co.uk/money-saving/</link>
		<comments>http://www.computerarticles.co.uk/money-saving/#comments</comments>
		<pubDate>Thu, 04 Sep 2008 17:03:28 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Bad News]]></category>
		<category><![CDATA[Belts]]></category>
		<category><![CDATA[Could Save Hundreds]]></category>
		<category><![CDATA[Credit Cards]]></category>
		<category><![CDATA[Credit Crunch]]></category>
		<category><![CDATA[Credit Loans]]></category>
		<category><![CDATA[Electricity]]></category>
		<category><![CDATA[Energy Companies]]></category>
		<category><![CDATA[Financial Difficulty]]></category>
		<category><![CDATA[Financial News]]></category>
		<category><![CDATA[Knees]]></category>
		<category><![CDATA[Lifestyles]]></category>
		<category><![CDATA[Massive Increases]]></category>
		<category><![CDATA[Money Loans]]></category>
		<category><![CDATA[Phrase]]></category>
		<category><![CDATA[Price Comparisons]]></category>
		<category><![CDATA[Soapbox]]></category>
		<category><![CDATA[Tariff]]></category>
		<category><![CDATA[Tariffs]]></category>

		<guid isPermaLink="false">http://www.computerarticles.co.uk/?p=628</guid>
		<description><![CDATA[<p>I hate the phrase ‘credit crunch’ and actually take offense whenever anyone around me uses it. As a society we appear to be able to talk the country in to and out of financial difficulty particularly easily and without fail, whenever we hear a little bit of bad news the entire nation takes steps to [...]]]></description>
			<content:encoded><![CDATA[<p><span style="font-size: 10pt; line-height: 150%;">I hate the phrase ‘credit crunch’ and actually take offense whenever anyone around me uses it.<span> </span>As a society we appear to be able to talk the country in to and out of financial difficulty particularly easily and without fail, whenever we hear a little bit of bad news the entire nation takes steps to make it rapidly worse.<span> </span>I’m going to have to be careful not to get on my soapbox here but I remember the problems with Northern Rock some months ago when after a leakage of bad financial news customers queued around the block to draw there money out which resulted in the group being bought to their knees in literally days.</span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;"> </span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;">We can certainly give the economy the strongest chance of bouncing back by trying to stick to existing spending patterns as much as possible rather than putting our lives on hold or changing our lifestyles whenever the media suggests that it would be prudent to do so.<span> </span>I’m not denying that some belts may need to be tightened but fortunately a lot of this can be done without changing your existing lifestyle.<span> </span></span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;"> </span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;">Let’s start with the obvious; electricity and gas.<span> </span>These utilities have been making the papers recently and if the headlines are to be believed then massive increases are unavoidable, however in reality these increases are predominately confined to the basic tariffs the energy companies offer.<span> </span>The truth is that the majority of customers are shouldn’t be on these tariffs anyway as they are unlikely to be the most cost effective.<span> </span>Despite the fact that locating the cheapest supplier and tariff then making the change would be unlikely to take more than an hour and could save hundreds, very few have bothered making the effort.</span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;"> </span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;">There are a vast majority of price comparisons on the market but my favourite at the moment (purely down to the fact it has consistently given me the best prices) is moneysupermarket.com.<span> </span></span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;"> </span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;">This site is split in to sub-categories which will allow you to search for the cheapest deals on the following:</span></p>
<p class="MsoNormal" style="line-height: 150%;"><strong><span style="font-size: 10pt; line-height: 150%;">Money</span></strong><span style="font-size: 10pt; line-height: 150%;"> – Credit cards, loans, mortgages, current and savings accounts.</span></p>
<p class="MsoNormal" style="line-height: 150%;"><strong><span style="font-size: 10pt; line-height: 150%;">Insurance</span></strong><span style="font-size: 10pt; line-height: 150%;"> – All the obvious including home, car, life, pet, medical and breakdown.</span></p>
<p class="MsoNormal" style="line-height: 150%;"><strong><span style="font-size: 10pt; line-height: 150%;">Travel</span></strong><span style="font-size: 10pt; line-height: 150%;"> – Flights, holidays, car hire and hotels</span></p>
<p class="MsoNormal" style="line-height: 150%;"><strong><span style="font-size: 10pt; line-height: 150%;">Gas and Electricity</span></strong><span style="font-size: 10pt; line-height: 150%;"> – Fairly self explanatory</span></p>
<p class="MsoNormal" style="line-height: 150%;"><strong><span style="font-size: 10pt; line-height: 150%;">Communication</span></strong><span style="font-size: 10pt; line-height: 150%;"> – Phone, Broadband and Mobile</span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;"> </span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;">Only by comparing the market will you know whether you are paying too much.<span> </span>Even a few hours spent to establish that you are indeed using the most suitable suppliers then it would be time well spent, however I’m confident that practically every reader could still make savings in some areas.<span> </span>Bearing in mind that in the case of mortgages, loans and credit cards then a few hours spent checking could easily result in savings running in to the thousands.</span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;"> </span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;">It would be apt now to mention the old ‘a penny saved is a penny earned’ maxim however I for one have always found this particular nugget of wisdom to be inaccurate.<span> </span>The hypothetical penny spent would have originally been a greater figure before tax was deducted.<span> </span>Those working within a 22% tax band can consider their penny saved to be the equivalent of 1.22p earned.</span></p>
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		<title>Web 2.0</title>
		<link>http://www.computerarticles.co.uk/web-20/</link>
		<comments>http://www.computerarticles.co.uk/web-20/#comments</comments>
		<pubDate>Fri, 27 Jul 2007 16:13:07 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Business Revolution]]></category>
		<category><![CDATA[Buzzword]]></category>
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		<category><![CDATA[Conferences]]></category>
		<category><![CDATA[Core Components]]></category>
		<category><![CDATA[Different Things]]></category>
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		<category><![CDATA[O Reilly]]></category>
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		<category><![CDATA[Real Reason]]></category>
		<category><![CDATA[Term Implies That]]></category>
		<category><![CDATA[Typical Characteristics]]></category>
		<category><![CDATA[Typical Web]]></category>
		<category><![CDATA[Umbrella]]></category>
		<category><![CDATA[World Wide Web]]></category>

		<guid isPermaLink="false">http://www.computerarticles.co.uk/?p=433</guid>
		<description><![CDATA[<p>Possibly one of the most useless phrase that&#8217;s currently doing the rounds is &#8216;Web 2.0&#8242;. I call it useless as the term implies that there is a new version of the World Wide Web available, and that us fools left using the old Web 1.0 should probably catch on and make the switch; fortunately this [...]]]></description>
			<content:encoded><![CDATA[<p><span style="font-size: 10pt; line-height: 150%;">Possibly one of the most useless phrase that&#8217;s currently doing the rounds is &#8216;Web 2.0&#8242;.<span> </span>I call it useless as the term implies that there is a new version of the World Wide Web available, and that us fools left using the old Web 1.0 should probably catch on and make the switch; fortunately this isn&#8217;t the case.</span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;"> </span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;">The term was coined by O&#8217;Reilly Media 2.0 back in 2003, and was popularised by the first Web 2.0 convention in 2004 and then a series of successive conferences.<span> </span>Eventually it become adopted by the wider community however when a customer of mine asked me earlier today to define exactly what Web 2.0 meant I was stuck; hence my sudden need to write this article.</span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;"> </span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;">I don&#8217;t feel bad for not knowing how to define the standard as even Tim O&#8217;Reilly, the man who is credited with creating the term seems to describe it in an incredibly cryptic and nondescript way.<span> </span>Apparently &#8220;Web 2.0 is the business revolution in the computer industry caused by the move to the Internet as platform, and an attempt to understand the rules for success on that new platform.&#8221;</span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;"> </span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;">Right, so in English what exactly does this mean?<span> </span>I think the best way I can describe it is to say that Web 2.0 is a term used to describe a website that has increased the overall functionality of the Web; as such, the term can mean different things to different people.<span> </span>Broadly speaking a website that provides new and interactive technologies such as weblogs, social websites, podcasts, RSS feeds and online web services can fall under the Web 2.0 umbrella.</span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;"> </span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;">Personally I think that the phrase is a nonsensical buzzword which has been coined for no real reason than the fact that it sounded catchy.<span> </span>Using the phrase in a meaningful way can be close to impossible since many of the core components of Web 2.0 have existed from the very earliest days of the web.</span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;"> </span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;">For educational purposes I should really go over the typical characteristics that are used to make up a typical Web 2.0 site and these are as follows:</span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;"> </span></p>
<p class="MsoNormal" style="margin-left: 18pt; text-indent: -18pt; line-height: 150%;"><!--[if !supportLists]--><span style="font-size: 9pt; line-height: 150%; font-family: StarSymbol;"><span>–<span style="font-family: &quot;Times New Roman&quot;; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal; -x-system-font: none;"> </span></span></span><!--[endif]--><span style="font-size: 10pt; line-height: 150%;">Users being able to contribute to the data on a site; Wikipedia is a good example of this.</span></p>
<p class="MsoNormal" style="margin-left: 18pt; text-indent: -18pt; line-height: 150%;"><!--[if !supportLists]--><span style="font-size: 9pt; line-height: 150%; font-family: StarSymbol;"><span>–<span style="font-family: &quot;Times New Roman&quot;; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal; -x-system-font: none;"> </span></span></span><!--[endif]--><span style="font-size: 10pt; line-height: 150%;">An element of social networking such as MySpace.</span></p>
<p class="MsoNormal" style="margin-left: 18pt; text-indent: -18pt; line-height: 150%;"><!--[if !supportLists]--><span style="font-size: 9pt; line-height: 150%; font-family: StarSymbol;"><span>–<span style="font-family: &quot;Times New Roman&quot;; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal; -x-system-font: none;"> </span></span></span><!--[endif]--><span style="font-size: 10pt; line-height: 150%;">Allow users to use applications entirely through a browser.<span> </span>A web operating system such as Goowy which I reviewed several months back is a good example of this.</span></p>
<p class="MsoNormal" style="margin-left: 18pt; text-indent: -18pt; line-height: 150%;"><!--[if !supportLists]--><span style="font-size: 9pt; line-height: 150%; font-family: StarSymbol;"><span>–<span style="font-family: &quot;Times New Roman&quot;; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal; -x-system-font: none;"> </span></span></span><!--[endif]--><span style="font-size: 10pt; line-height: 150%;">A smart and user friendly interface; often based on a new technology such as Ajax.</span></p>
<p class="MsoNormal" style="margin-left: 18pt; text-indent: -18pt; line-height: 150%;"><!--[if !supportLists]--><span style="font-size: 9pt; line-height: 150%; font-family: StarSymbol;"><span>–<span style="font-family: &quot;Times New Roman&quot;; font-style: normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: normal; font-size-adjust: none; font-stretch: normal; -x-system-font: none;"> </span></span></span><!--[endif]--><span style="font-size: 10pt; line-height: 150%;">An ability for the user to enhance the application or website as they use it.</span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;"> </span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;">Our website design company Refresh Creations often gets people touting that their websites are categorised as Web 2.0, but when you delve deeper it becomes apparent that they have simply installed a trivial feature such as a blog to allow them to make this claim.</span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;"> </span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;">Personally, I hate buzzwords and have little time for people that utilize them when pitching ideas or sales pitches to me.<span> </span>Therefore it is somewhat unsurprising that I simply don&#8217;t &#8216;get&#8217; Web 2.0 – due to the lack of set standards to what it actually refers to you can end up making the phrase mean practically anything you want it to.<span> </span></span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;"> </span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;">Even after researching this article for best part of an hour I&#8217;m still a little bit unsure as to what the phrase actually means and I don&#8217;t think this is my failure to grasp the concept but rather the fact that it hasn&#8217;t been correctly, accurately or solidly defined.</span></p>
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		<title>YouTube</title>
		<link>http://www.computerarticles.co.uk/youtube/</link>
		<comments>http://www.computerarticles.co.uk/youtube/#comments</comments>
		<pubDate>Sat, 09 Sep 2006 15:11:01 +0000</pubDate>
		<dc:creator>admin</dc:creator>
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		<category><![CDATA[Youtube]]></category>

		<guid isPermaLink="false">http://www.computerarticles.co.uk/?p=263</guid>
		<description><![CDATA[<p>The popular video hosting site YouTube.com has hit the headlines several times recently for all the wrong reasons so I thought I’d draw focus back to the real reasons this website is always on my favourites list. YouTube was founded back in February 2005 by three early employees of PayPal and has already grown to [...]]]></description>
			<content:encoded><![CDATA[<p><span style="font-size: 10pt; line-height: 150%;">The popular video hosting site YouTube.com has hit the headlines several times recently for all the wrong reasons so I thought I’d draw focus back to the real reasons this website is always on my favourites list.<span> </span>YouTube was founded back in February 2005 by three early employees of PayPal and has already grown to become one of the most popular sites on the Internet.<span> </span>It provides users with a way to upload video content as well as being able to immediately view a huge number of video files completely free of charge.</span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;"> </span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;">As you would well imagine the variety of the content is huge – with 65,000 videos being uploaded every 24 hours you can type practically any word or phrase in to the search box and without fail a number of results will be returned.<span> </span><span> </span>All videos are rated by users of the site and if you choose not to search by keyword you can also view videos by category, user rating, age and popularity.</span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;"> </span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;">Personally I predominately use YouTube to search for music online as the extensive range of content means that you can easily find not only quickly and easily find any song you choose but additionally the associated video.<span> </span>Using YouTube I have managed to locate a number of more obscure songs that even several different popular peer to peer file sharing programs couldn’t help me with.<span> </span>The website also sets itself apart in the fact that you don’t actually download the video to your machine but simply watch it on demand.</span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;"> </span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;">Of course many use YouTube as the modern day equivalent of public access TV and come up with original material which can be informative, funny or just completely weird.<span> </span>Whilst theoretically no copyrighted material is available on the site in reality the sheer number of videos uploaded on a daily basis coupled with a rather primitive detection system means that this really isn’t the case.<span> </span>As the popularity of YouTube soars this will have to be something they pay more attention too if they are to avoid heavy legal bills in the future.</span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;"> </span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;">YouTube has also suffered criticism caused by its open door policy which means any user can upload material without its content being checked by a member of admin staff.<span> </span>Despite the huge amount of activity online there are only around 50 staff working for the company which means that very few videos can be randomly checked to ensure they don’t breech the terms and conditions of the site.<span> </span>Users can of course flag up questionable material however due to a shortage of manpower such material is often online for short period before being removed.<span> </span></span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;"> </span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;">There is no doubting that YouTube will have to become more efficient in banning violent, pornographic and illegal videos that may work their way in to the system if it is to continue.<span> </span>I do however think that it is worthwhile remembering despite the pitfalls the site does provide a very worthwhile way for users to share videos with the world.<span> </span>Such a facility is especially useful for amateur producers who may have previously had no other way of showcasing their work.<span> </span></span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;"> </span></p>
<p class="MsoNormal" style="line-height: 150%;"><span style="font-size: 10pt; line-height: 150%;">Those without a broadband connection will probably want to give this site a miss but everyone else should certainly check out <a href="http://www.youtube.com/">www.youtube.com</a> when they have a spare half an hour as there is certainly something for everyone on this site.<span> </span></span></p>
]]></content:encoded>
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		<title>File Compression</title>
		<link>http://www.computerarticles.co.uk/file-compression/</link>
		<comments>http://www.computerarticles.co.uk/file-compression/#comments</comments>
		<pubDate>Sat, 04 Aug 2001 14:25:33 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Cd Rom]]></category>
		<category><![CDATA[Compression Techniques]]></category>
		<category><![CDATA[File Compression]]></category>
		<category><![CDATA[Floppy Disk]]></category>
		<category><![CDATA[Gb]]></category>
		<category><![CDATA[Hotel Room]]></category>
		<category><![CDATA[Megabyte]]></category>
		<category><![CDATA[Megabytes]]></category>
		<category><![CDATA[One Of Those Things]]></category>
		<category><![CDATA[Pc Files]]></category>
		<category><![CDATA[Phrase]]></category>
		<category><![CDATA[Real World]]></category>
		<category><![CDATA[Recipient]]></category>
		<category><![CDATA[Suitcase]]></category>
		<category><![CDATA[Techniques Work]]></category>
		<category><![CDATA[Uncompression]]></category>

		<guid isPermaLink="false">http://www.computerarticles.co.uk/?p=126</guid>
		<description><![CDATA[<p> </p> <p class="MsoNormal" style="line-height: 18pt;">There are few technologies in the IT world which are just so helpful that once you’ve got used to using them you will find them simply indispensable; file compression is just one of those things that you may not have yet given any thought to and it just so happens [...]]]></description>
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<p class="MsoNormal" style="line-height: 18pt;"><span style="font-size: 10pt;">There are few technologies in the IT world which are just so helpful that once you’ve got used to using them you will find them simply indispensable; file compression is just one of those things that you may not have yet given any thought to and it just so happens to be the subject of this weeks article.<span> </span></span></p>
<p class="MsoNormal" style="line-height: 18pt;"><span style="font-size: 10pt;"> </span></p>
<p class="MsoNormal" style="line-height: 18pt;"><span style="font-size: 10pt;">To give you an example of how file compression would reflect the real world; Could you imagine how useful it would be that when you wanted to go onto holiday you simply put everything you needed into one huge suitcase which could then be shrunk to a quarter of the size whilst travelling and then made the correct size again when you reached your hotel room?</span></p>
<p class="MsoNormal" style="line-height: 18pt;"><span style="font-size: 10pt;"> </span></p>
<p class="MsoNormal" style="line-height: 18pt;"><span style="font-size: 10pt;">For the IT professional being able to do a similar thing with PC files is almost as useful; file compression allows them to collect many files and compact them all into one easy to manage package for transportation, either using a floppy disk, CD-ROM or more commonly the Internet.<span> </span>The recipient would then simply uncompress the package and use the files exactly as normal &#8211; The advantages of this are numerous.<span> </span>Most obvious is that instead of sending 2 Megabytes over the Internet you are able to compress it into 1 Megabyte, halving the time that you have to spend online.<span> </span>In addition you are able to send for example, 20 files all compressed into the same package and so it would be easier to manage for both yourself and the recipient.</span></p>
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<p class="MsoNormal" style="line-height: 18pt;"><span style="font-size: 10pt;">Generally, the way most compression techniques work is to remove duplicate data from a file and then put it back again when the file is uncompressed.<span> </span>Let’s assume we compressed a text file which contained “Ask not what your country can do for you &#8212; ask what you can do for your country”.<span> </span>Now, as you can see, half of the words in this phrase are repeated so it would be possible for the computer to remove them and reinsert them at the point of uncompression.<span> </span>Since there are so many different uses for compression, the methods for making files smaller varies from type to type and so below are details of the most standards and their most common uses in real life:</span></p>
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<p class="MsoNormal" style="line-height: 18pt;"><strong><span style="font-size: 10pt;">“Zip Files”</span></strong><span style="font-size: 10pt;"> – As explained above, by using a program such as WinZip (<a href="http://www.winzip.com/">www.winzip.com</a>) you are able to compress a number of files into one easy to manage archive; these files are perfect for downloading a piece of software onto your computer as all the program files can be transferred in one go and at a greater speed than if the files were uncompressed.</span></p>
<p class="MsoNormal" style="line-height: 18pt;"><span style="font-size: 10pt;">WinZip is a free to use program and since the majority of software off the Internet comes ‘Zipped up’, it is definitely worth the download.</span></p>
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<p class="MsoNormal" style="line-height: 18pt;"><strong><span style="font-size: 10pt;">“MP3 Files”</span></strong><span style="font-size: 10pt;"> – These are very tightly compressed music files meaning that an average track can be compressed from around 50 Megabytes down to approximately 5 Megabytes which means they should be able to download in around a tenth of the time.<span> </span>The possibilities for abuse in terms of copyright are obvious, which is why MP3’s have been in the news so much recently especially in relation to Napster (<a href="http://www.napster.com/">www.napster.com</a>) which allows you to search for and download them freely. </span></p>
<p class="MsoNormal" style="line-height: 18pt;"><span style="font-size: 10pt;">The main technique which is used to compress MP3’s down so much is that the top and bottom sections (upper treble and low base) of the sound wave are removed.<span> </span>This can lead to a reduced sound quality of the music but generally speaking the difference is minimal since most people can’t distinguish these extreme pitches on both sides of the sound wave anyway.</span></p>
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<p class="MsoNormal" style="line-height: 18pt;"><strong><span style="font-size: 10pt;">“Jpeg Files”</span></strong><span style="font-size: 10pt;"> – These graphic files are very commonly used on the Internet webpages as they are very small in size in comparison to an uncompressed graphic file and so download in much faster times.</span></p>
<p class="MsoNormal" style="line-height: 18pt;"><span style="font-size: 10pt;">They work on the same principle of removing irreverent data as explained above but in a slightly different way; let’s assume that we have a picture of Berry Head which we’d like to compress so that people on our Internet site don’t have to wait a long time for it to download.<span> </span>The compression program would look for areas of the picture which look very similar, for example, in reality the sky would be a great number of millions of different tones of blue but the program would see the similarities between the colours and decrease this value to something a bit more manageable such as 256 colours.<span> </span>This way the program would find repeating areas of the picture, where for example 1500 pixels all of the same colour converge next to one another meaning the program could make a note of this instead of having to store the colour and positioning of each individual pixel.</span></p>
<p class="MsoNormal" style="line-height: 18pt;"><span style="font-size: 10pt;">Obviously, reducing the number of colours in this way would have a detrimental effect on the image but if done well, it is hardly noticeable and the reduction in file size is incredible.</span></p>
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