The

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twitter celebrities people are looking for most - http://searchengineland.com/twitter-celebrities-we-seek-the-most-according-to-google-47959

One thing that could doom facebook - http://searchengineland.com/one-thing-could-doom-facebook-questions-47945

A good gauge on what people are spending most of their time on.
http://blog.searchenginewatch.com/100803-025756