"FILE - In this Sunday, April 25, 2010, file photo, U.S singer Whitney Houston performs at the o2 in London as part of her European tour, Sunday, April 25, 2010. Whitney Houston was the ""top trending"" search of 2012 according to Google Inc.'s year-end ""zeitgeist"" report. Google's 12th annual roundup is ""an in-depth look at the spirit of the times as seen through the billions of searches on Google over the past year,"" the company said in a blog post Wednesday. (AP Photo/Joel Ryan, File)"
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