SYDNEY, AUSTRALIA - NOVEMBER 10:  MC Hammer poses for a portrait following a discussion on the power of social media at the University of Technology on November 10, 2009 in Sydney, Australia. Hammer is followed by 1.5 million people on social networking site Twitter, and the 14th most influential Tweeter in the world. Getty Images logo Getty Images 27 months ago

SYDNEY, AUSTRALIA - NOVEMBER 10: MC Hammer poses for a portrait following a discussion on the power of social media at the University of Technology on November 10, 2009 in Sydney, Australia. Hammer is followed by 1.5 million people on social networking site Twitter, and the 14th most influential Tweeter in the world.