Visitors walks around the Dell stand at the world's biggest high-tech fair, the CeBIT on March 4, 2010 in the northern German city of Hanover. Some 4,157 companies from 68 countries are displaying their latest gadgets at the fair taking place from March 2 to 6, 2010. AFP PHOTO  DDP/ NIGEL TREBLIN  GERMANY OUT        (Photo credit should read NIGEL TREBLIN/AFP/Getty Images)