Here's bringing you a list of the most tweeted topics in the past year. From Iran's elections to the shocking death of the King of Pop to Tiger Wood's multiple liaisons to swine flu, it's all been tweeted about and amply.

“Among all the keywords, hashtags, and phrases that proliferated throughout the year, one topic surfaced repeatedly. Twitter users found the Iranian elections the most engaging topic of the year. The terms #iranelection, Iran and Tehran were all in the top-21 of Trending Topics, and #iranelection finished in a close second behind the regular weekly favorite #musicmonday”, said Twitter's chief scientist Abdur.

Some of the trending topics are as follows –

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