Technology executive Jack Dorsey of Twitter gestures as he speaks following a press conference at the US Embassy in Baghdad's fortified 'Green Zone' on April 22 2009. The founder of the micro-blogging service Twitter said during a visit to Baghdad today that the US election had convinced him to try and get people "tweeting" in Iraq. AFP PHOTO / AHMAD AL-RUBAYE (Photo credit should read AHMAD AL-RUBAYE/AFP/Getty Images)