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	<title>TorrentFreak &#187; research</title>
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		<title>BitSmash Launches BitTorrent Statistics Tool</title>
		<link>http://torrentfreak.com/bitsmash-launches-bittorrent-statistics-tool-081006/</link>
		<comments>http://torrentfreak.com/bitsmash-launches-bittorrent-statistics-tool-081006/#comments</comments>
		<pubDate>Mon, 06 Oct 2008 10:04:55 +0000</pubDate>
		<dc:creator>Ernesto</dc:creator>
				<category><![CDATA[Hot Off The Press]]></category>
		<category><![CDATA[bitsmash]]></category>
		<category><![CDATA[bittorrent]]></category>
		<category><![CDATA[research]]></category>

		<guid isPermaLink="false">http://torrentfreak.com/?p=5351</guid>
		<description><![CDATA[BitSmash is a new service that aims to provide statistics on all BitTorrent downloads. The site allows users to search from keywords, just like the average BitTorrent site, and sort the results in various ways. For every torrent, it also shows graphs of changes in various statistics over time. ]]></description>
			<content:encoded><![CDATA[<p><img src="http://torrentfreak.com/images/bitsmash.jpg" align="right" alt="bitsmash" /><a href="http://bitsmash.com">BitSmash</a> will be launched officially on October 15th, but the website is already fully operational. The project looks promising, and might prove to be a great tool for those who are interested in BitTorrent trends, including ourselves. One of the major downsides at the moment, however, is the accuracy of some of the statistics that are reported by BitSmash. </p>
<p>We&#8217;ve gone through the data, and it seems that BitSmash is off on the numbers of seeds and peers. One of the top downloads according to the service is <a href="http://bitsmash.com/info/WV6SROOUBMVXOZJTTQ4LJQLQCGDNK7KC/The+Incredible+Hulk+2008+DvDrip+aXXo/">The Incredible Hulk</a>, with 414 peers and 139 seeders. However, Mininova and several other BitTorrent sites report that the torrent has more than 15,000 peers, and a manual scrape of one of the trackers returned close to 18,000 peers.</p>
<p>The service is of course still being developed, so these numbers might be corrected later. Smash, the founder of the project told us: &#8220;I&#8217;m going to stand by our numbers,&#8221; but said he will take a look at the inconsistencies. He encourages everyone to submit feedback while the site is in Beta.</p>
<p>Interestingly, BitSmash has decided to include a link to the .torrent files on their detail pages, which basically makes it a meta-search engine as well. The anti-piracy lobby might not be too happy about that. A few days ago we reported on the Swedish news site Nyheter24, that was <a href="http://torrentfreak.com/news-site-criticized-for-linking-to-pirate-bay-torrents-081004/">criticized</a> for linking to torrents on The Pirate Bay.</p>
<p>The service will officially launch October 15th, and later this year there will also be an API available for other services and websites to access, who can use the data for other purposes. Overall we think that BitSmash could develop into a great research tool. It&#8217;s worth checking out. </p>
<div align="center">
<h5>BitSmash Torrent Details</h5>
</div>
<p><img src="http://torrentfreak.com/images/bitsmash-detail.jpg" alt="bitsmash" /></p>
<p>Article from: <a href="http://torrentfreak.com">TorrentFreak</a>, check out our new blog at <a href="http://freakbits.com">FreakBits</a>.</p>
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		<slash:comments>33</slash:comments>
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		<item>
		<title>Canadian Study: Piracy Boosts CD Sales</title>
		<link>http://torrentfreak.com/piracy-boosts-cd-sales-071103/</link>
		<comments>http://torrentfreak.com/piracy-boosts-cd-sales-071103/#comments</comments>
		<pubDate>Sat, 03 Nov 2007 16:52:01 +0000</pubDate>
		<dc:creator>Ernesto</dc:creator>
				<category><![CDATA[All]]></category>
		<category><![CDATA[Anti-Piracy Gangs]]></category>
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		<category><![CDATA[P2P and Filesharing]]></category>
		<category><![CDATA[piracy]]></category>
		<category><![CDATA[research]]></category>

		<guid isPermaLink="false">http://torrentfreak.com/piracy-boosts-cd-sales-071103/</guid>
		<description><![CDATA[A recent study on the impact of filesharing on CD sales shows that the more music people download on P2P-networks, the more CDs they buy.]]></description>
			<content:encoded><![CDATA[<p>University of London researchers, Birgitte Andersen and Marion Frenz <a href="http://www.michaelgeist.ca/content/view/2347/125/">surveyed</a> a large group of Canadians to find out what the effect of piracy is on music sales. <a href="http://strategis.ic.gc.ca/epic/site/ippd-dppi.nsf/en/h_ip01456e.html">The results</a> are surprising, at least, for the music industry.</p>
<p>The researchers conclude that that people who download more music actually buy more CDs. They report: &#8220;We estimate that the effect of one additional P2P download per month is to increase music purchasing by 0.44 CDs per year.&#8221;</p>
<p>This basically means that if someone downloads 270 songs a year via BitTorrent, he or she will buy 9 CDs more than someone who only downloads 27 songs. So, in a way illegal downloads actually convert into more CD sales.</p>
<p>Overall the researchers found no difference between <em>pirates</em> and other people in the number of CDs they buy. They did not find a positive or a negative relationship between filesharing and CD sales. So, at worst, filesharing isn&#8217;t the cause for a drop in CD sales. It might even be a boon to it.</p>
<p>This study once again confirms that piracy is not as bad as the recording industry content &#8220;owners&#8221; want us to believe. Filesharing gives people the opportunity to discover new music for free. It makes it easier to try new music before you buy. Right now, downloading songs off P2P networks is pretty much the only way to listen to complete tracks before deciding to buy them. </p>
<p>It is worth mentioning that there are legal alternatives, like <a href="http://soundpedia.com/">Soundpedia</a> and <a href="http://www.wired.com/entertainment/music/magazine/15-11/ff_lala">Lala.com&#8217;s upcoming service</a>, which will let you stream entire songs for free. However, most people will still prefer pirated music because the quality is much better and they can transfer it to their MP3 player.</p>
<p>Article from: <a href="http://torrentfreak.com">TorrentFreak</a>, check out our new blog at <a href="http://freakbits.com">FreakBits</a>.</p>
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		<slash:comments>64</slash:comments>
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		<title>Harvard Develops P2P Client that uses Bandwidth as &#8220;Currency&#8221;</title>
		<link>http://torrentfreak.com/harvard-develops-p2p-client-that-uses-bandwidth-as-currency/</link>
		<comments>http://torrentfreak.com/harvard-develops-p2p-client-that-uses-bandwidth-as-currency/#comments</comments>
		<pubDate>Thu, 30 Aug 2007 22:23:55 +0000</pubDate>
		<dc:creator>Ernesto</dc:creator>
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		<category><![CDATA[Bittorrent Clients]]></category>
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		<category><![CDATA[currency]]></category>
		<category><![CDATA[harvard]]></category>
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		<category><![CDATA[tribler]]></category>

		<guid isPermaLink="false">http://torrentfreak.com/harvard-develops-p2p-client-that-uses-bandwidth-as-currency/</guid>
		<description><![CDATA[Harvard researchers have teamed up with the <a href="http://torrentfreak.com/?s=tribler">Tribler team</a> to work on a P2P client with BitTorrent support that uses bandwidth as a global currency. They released <a href="http://tv.seas.harvard.edu/">Tribler V4.1</a> yesterday.]]></description>
			<content:encoded><![CDATA[<p>Yes, Harvard, the <a href="http://www.newsandpolicy.com/news/2007/08/endowment-of-harvard-americas-richest-university-h.html">richest</a> University in the world recently started a new line of P2P research. They have an <a href="http://cyber.law.harvard.edu/">army of law professors</a> to protect them, so unlike others, they must feel safe to do this controversial research in the land of the free and the home of the RIAA/MPAA.</p>
<p>The Harvard project is all about a fresh new approach. To be honest, have we seen a new trick since eMule and Bittorrent started? Things have clearly slowed down in the last years.</p>
<p>The Harvard researchers are currently working on one of hardest P2P problems, ensuring uploads. P2P dies or thrives depending on how much upload people donate. By introducing electronic &#8220;currency&#8221; for uploads they think they can make P2P <a href="http://tv.seas.harvard.edu/research.php">HDTV Video on Demand</a> possible. With the minor detail that we all have to switch to their clientâ€¦</p>
<p>The latest version of Tribler enhances the standard tit-for-tat BitTorrent algorithms with something they call the give-to-get algorithm (<a href="http://tv.seas.harvard.edu/give-to-get_algorithm_for_P2P_Video_on_Demand.pdf">PDF article</a>). This new algorithm allows their users to benefit from a good ratio without using a central server like private BitTorrent trackers do.</p>
<p>Tribler users can still join every BitTorrent swarm and play the tit-for-tat game with old-school BitTorrent users. But, when they meet another Tribler peer they switch to give-to-get mode where the currency meter is running. This turns the Tribler network into a private Tracker network without the central server. This basically means, the more you share, the faster your downloads will go.</p>
<p>Every Tribler client keeps an eye on MByte counts of fellow peers. They gossip around about who is a leecher and who is a top dog, without the details of which Hollywood movie it was. The only information displayed about this in the GUI is a list in your profile of the &#8220;Top 10 Tribler Uploaders&#8221;. For the next version of Tribler they plan to turn that list of top dog uploaders into a decentralized trust system and enable users to correct typos and add tags to the content. In short, BitTorrent would go &#8220;2.0â€³.</p>
<p>But let&#8217;s first see if they can really handle network pollution and spam without a central server. It will be quite tricky to get such &#8220;Google PageRank&#8221; trust algorithms working in P2P.</p>
<p><a href="http://www.flickr.com/photo_zoom.gne?id=1278040158&#038;size=o"><img src="http://torrentfreak.com/images/tribler-currentcy-small.jpg" alt="tribler" /></a></p>
<p>Article from: <a href="http://torrentfreak.com">TorrentFreak</a>, check out our new blog at <a href="http://freakbits.com">FreakBits</a>.</p>
]]></content:encoded>
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		<slash:comments>63</slash:comments>
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		<title>More Than 25 Million Americans Pirate Movies</title>
		<link>http://torrentfreak.com/more-than-25-million-americans-pirate-movies/</link>
		<comments>http://torrentfreak.com/more-than-25-million-americans-pirate-movies/#comments</comments>
		<pubDate>Thu, 25 Jan 2007 18:17:10 +0000</pubDate>
		<dc:creator>Smaran</dc:creator>
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		<category><![CDATA[americans]]></category>
		<category><![CDATA[bittorrent]]></category>
		<category><![CDATA[movie-downloads]]></category>
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		<guid isPermaLink="false">http://torrentfreak.com/more-than-25-million-americans-pirate-movies/</guid>
		<description><![CDATA[Digital Life America, a unit of the Solutions Research Group, has found that out of the 32 million Americans who have downloaded at least 1 movie from the Internet, 80 percent have done so over P2P.]]></description>
			<content:encoded><![CDATA[<p><img src="http://torrentfreak.com//images/digital-life-america-logo.gif" alt="Digital Life America" align="right" />According to the group, 25.6 million Americans have illegally downloaded a full-length movie from the Internet. That&#8217;s 18 percent of the total US online population.</p>
<p>2,600 Americans took part in the study via telephone and on the web. The study found that users basically don&#8217;t believe or care that movie studios are losing money when someone illegally downloads a movie. Interestingly, 78 percent of the people found stealing a DVD from a store to be a &#8220;serious offence&#8221;, but only 40 percent considered downloading a movie to be just as bad.</p>
<p>Director of the study, Kaan Yigit said in a statement that the movie industry was suffering from the &#8220;Robin Hood effect&#8221; due to the large profits it makes. &#8220;There is a Robin Hood effect &#8212; most people perceive celebrities and studios to be rich already and as a result don&#8217;t think of movie downloading as a big deal,&#8221; he said.</p>
<p>Just as we <a href="http://torrentfreak.com/mark-cuban-bittorrent-is-doomed/#competitive">noted</a> in a recent piece, the study found that unless a legal offering is competitive enough, users are not going to stop downloading pirated movies. &#8220;The current crop of &#8216;download to own&#8217; movie services and the new ones coming into the market will need to offer greater flexibility of use, selection and low prices to convert the current users to their services &#8212; otherwise file-sharing will continue to thrive,&#8221; said Yigit.</p>
<p>Here&#8217;s a direct link to the press release. (<a href="http://www.srgnet.com/pdf/Movie%20File-Sharing%20Booming%20Release%20Jan%2024%2007%20Final.pdf">PDF</a>)</p>
<p>Article from: <a href="http://torrentfreak.com">TorrentFreak</a>, check out our new blog at <a href="http://freakbits.com">FreakBits</a>.</p>
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		<title>Comparing Sharing Behavior in BitTorrent Communities</title>
		<link>http://torrentfreak.com/comparing-sharing-behavior-in-bittorrent-communities/</link>
		<comments>http://torrentfreak.com/comparing-sharing-behavior-in-bittorrent-communities/#comments</comments>
		<pubDate>Sat, 25 Nov 2006 12:59:35 +0000</pubDate>
		<dc:creator>Ernesto</dc:creator>
				<category><![CDATA[All]]></category>
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		<guid isPermaLink="false">http://torrentfreak.com/comparing-seeding-behavior-in-bittorrent-communities/</guid>
		<description><![CDATA[Just as many social bookmarking sites are said to be run by a small group of active users, the same seems to hold for BitTorrent communities where 10% of the users upload as much as the rest of the 90% put together.]]></description>
			<content:encoded><![CDATA[<p>This was concluded in a recently published article in the online journal &#8216;firstmonday&#8217; compared the sharing behavior on 6 BitTorrent sites.  </p>
<p><img src="http://TorrentFreak.com//images/btswarm.jpg" align="right" alt="BitTorrent swarm" /><a href="http://firstmonday.org/issues/issue11_11/ripeanu/#r3">The article</a> compares bt.etree.org, piratebay.org, torrentportal.com, easytree.org, btefnet.net and alluvion.org. The data appears to be a little outdated, because both easytree.org and the famous bt.etree.org were shutdown in spring 2005. </p>
<p>One of the main conclusions of the researchers is that a relatively small percentage of peers is responsible for most of the uploading. The top 10% sharers upload just as much as the rest of the people in the swarm. </p>
<p>Another interesting finding is that the highest percentage of seeders can be found at The Piratebay (29%), and the most sharers at easytree (59%). This can be explained by the fact that easytree is a private tracker, enforcing &#8220;healthy&#8221; share ratios.</p>
<p>Unfortunately, the authors make a big mistake when they suggest that RSS feeds might be responsible for the higher seed percentages at btefnet.net. At the time the data was collected (early 2005) only Azureus had experimental RSS support, and only a few people were actually using it. </p>
<p>Personally I think it it hard to make comparisons between there six torrent sites. It is nothing more than comparing apples and oranges, they offer different content, and target a different audience.</p>
<p><a href="http://firstmonday.org/issues/issue11_11/ripeanu/">Gifting Technologies: A BitTorrent Case Study </a></p>
<p>Article from: <a href="http://torrentfreak.com">TorrentFreak</a>, check out our new blog at <a href="http://freakbits.com">FreakBits</a>.</p>
]]></content:encoded>
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		</item>
		<item>
		<title>BitTorrent field study</title>
		<link>http://torrentfreak.com/bittorrent-field-study/</link>
		<comments>http://torrentfreak.com/bittorrent-field-study/#comments</comments>
		<pubDate>Tue, 06 Dec 2005 22:03:44 +0000</pubDate>
		<dc:creator>Ernesto</dc:creator>
				<category><![CDATA[Hot Off The Press]]></category>
		<category><![CDATA[bittorrent]]></category>
		<category><![CDATA[research]]></category>

		<guid isPermaLink="false">http://torrentfreak.com/?p=48</guid>
		<description><![CDATA[Arnaud Legout studied the "rarest first" and the "choking" agorithms in a real-life setting. In total 12 torrents with a different number and ratio of seeders and leechers were studied. ]]></description>
			<content:encoded><![CDATA[<p>The performance of these two alogrithms was analyzed using the official BitTorrent client, verion 4.0.2. The &#8220;preliminary&#8221; results show that both algorithms do their job pretty good. The &#8220;choke&#8221; algorithm makes sure that every peer has a fair chance to be served. The &#8220;rarest first&#8221; algorithm on the other hand makes sure that the pieces of data are equally distributed.</p>
<p>Arnoud Legout further states that the last pieces problem is overstated whereas the first pieces problem is underestimated.</p>
<p><a href="http://hal.inria.fr/inria-00000156/en">Link</a></p>
<p>Article from: <a href="http://torrentfreak.com">TorrentFreak</a>, check out our new blog at <a href="http://freakbits.com">FreakBits</a>.</p>
]]></content:encoded>
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