US actor Ashton Kutcher arrives for the premiere of "What Happens In Vegas" at the Mann Village Theater in Los Angeles, California in this May 1, 2008 file photo. Hollywood actor Kutcher beat media-giant CNN on April 17, 2009 in a duel to see which could amass one million Twitter followers first. The star of the television series "That '70s Show" and husband of actress Demi Moore defeated the news channel in a challenge on the micro-blogging service that promised a large charitable donation from the winner. Getty Images logo Getty Images 6 months ago

US actor Ashton Kutcher arrives for the premiere of "What Happens In Vegas" at the Mann Village Theater in Los Angeles, California in this May 1, 2008 file photo. Hollywood actor Kutcher beat media-giant CNN on April 17, 2009 in a duel to see which could amass one million Twitter followers first. The star of the television series "That '70s Show" and husband of actress Demi Moore defeated the news channel in a challenge on the micro-blogging service that promised a large charitable donation from the winner.