California Governor Arnold Schwarzenegger (R) and German Chancellor Angela Merkel (L) hold up Google phones displaying a podcast of Merkel, at the booth of Vodafone, during the opening tour of the CeBIT computer fair in Hanover March 3, 2009. The world's biggest IT fair CeBIT with 4300 exhibitors from 69 countries opens its doors to the public on March 3, and runs through March 8, 2009. [Agencies]