Year in Review 2012: Obsessions
Here are the top 10 obsessions that, as ranked by their search volume and percentage spike compared with 2011 on Yahoo!.
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"Fifty Shades of Grey"
"Fifty Shades of Grey," the first book in a trilogy of "Twilight"-inspired fan-fiction bondage erotica by E.L. James, became an underground reading obsession for millions of women in 2012. (Rob Kim/Getty Images)