HANOVER, GERMANY – MARCH 05: A worker pauses while preparing the Google stand the day before the CeBIT 2012 technology trade fair officially opens to the public on March 5, 2012 in Hanover, Germany. CeBIT 2012, the world’s largest information technology trade fair, will run from March 6-10, and advances in cloud computing are a major feature this year. (Photo by Sean Gallup/Getty Images)