User blog comment:Kittyfire/Random Topic Blogging!/@comment-5151799-20110929234927/@comment-65.34.230.232-20110930122048

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http://media.tumblr.com/tumblr_lrlr4zJBAD1qjcp6v.gif

Angry Birds is so popular because it's a free app, if it costed like $2 or something, it wouldn't be as popular.