TEXT: A crowd of cheering fans attend the Peace Without Borders concert in Revolution Square, Havana, in September 2009. According to a report Thursday, the U.S. government secretly masterminded the creation of a 'Cuban Twitter' to undermine the communist government in Havana. The peace concert was a perfect opportunity for the U.S. to test out the budding social network dubbed 'ZunZuneo,' Cuban slang for a hummingbird's tweet.   AP