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　　From：Youtube
　　Press Releases
　　YouTube advertisers now targeting about-to-go-viral videos
　　YouTube Gram
　　
　　SAN BRUNO， CA （MAY 13，2008） -- Earlier this month， in an interview with CNBC， Google CEO Eric Schmidt said， "We believe the best [YouTube] products are coming out this year。 And they're new products…much more participative， much more creative…much more interesting in and of themselves。"
　　
　　As part of our continued efforts to experiment with new ways to provide value to YouTube advertisers， today we're announcing one such new product： buzz targeting。
　　
　　"One of the greatest aspects of YouTube is how it has democratized the way in which videos are discovered and promoted，" said Shiva Rajaraman， YouTube Product Manager。 "On any given day， a video from a top-tier content creator or an ordinary YouTube user can become the next big thing。"
　　
　　YouTube's product and engineering team tapped into this core ethos by creating an algorithm that determines which YouTube partner videos are quickly becoming popular on the site and about to go viral。 The algorithm looks at several factors， such as acceleration of views， favorites， and ratings activity， and then allows advertisers to target their ads specifically to these videos on YouTube。
　　
　　"Every advertiser hopes that their campaign will to be the next big viral hit online， and they come to YouTube to reach the millions of video viewers who are on the site everyday，" said Rajaraman。 "Buzz targeting lets them do both at the same time。 They associate their brand with the hottest content of the day， while reaching the most engaged users in our community。"
　　
　　Lionsgate was the first advertiser to partner with YouTube in the pilot of this product， by using buzz targeting to promote the release of the film "The Forbidden Kingdom。"
　　
　　"With so many videos going viral on YouTube at any given time， buzz targeting allowed us to reach a very large， diverse audience，” said Danielle DePalma， Director of Digital Media， Lionsgate。 "By running ads against some of the most prominent content on the site， we were able to place our brand at the center of the experience that millions of people have on YouTube every day。”
　　
　　Ads for "The Forbidden Kingdom" ran against more than 500 of the most popular partner videos in music and entertainment， including content from major music labels and videos from users in the YouTube Partner Program。
　　
　　"Buzz Targeting was an amazing opportunity for us to capitalize on the most popular videos on the site，" said DePalma。
　　
　　

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　　了解下：
　
　　Google又利用强大的广告技术实力推出YouTube的新型广告定位技术buzz targeting，即"人群定位"。它是一种算法，能自动检测YouTube上面哪些视频正迅速变得流行或将要变得流行。算法会综合考虑与视频有关的多种因素，比如视频播放次数、被收藏次数的增长速度，及用户评分的活跃度等等。根据这些因素找出相应的视频后，YouTube会允许广告主直接将广告投放在这些视频上。这样一来，广告主的广告投放效果就会更好，因为最流行的视频拥有最多的活跃人群；视频越流行，相应地广告主的广告也就越流行。buzz targeting的出现，令广告主的投入获得最好的回报。

　　愿景很不错，但buzz targeting当前只对YouTube的内容合作伙伴、专业视频制作者、唱片公司及电视网络的视频才有效，至于普通用户的视频，暂时无法参与。但不管怎样，将视频网络盈利是个大难题。如果我们能亲眼看到Google在YouTube上解决这个难题，将会是一件十分有趣的事。