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"The Hunger Games"

"The Hunger Games," a film version of the 2008 young adult novel by Suzanne Collins starring Jennifer Lawrence, became an obsession for plenty of American moviegoers in 2012, grossing more than $400 million at the U.S. box office. (Murray Close/Lionsgate)

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!.