Photos | A look back at old cell phones
PAR2004031124089
Credit: AFP/Getty Images
HANOVER, GERMANY: A worker cleans a billboard displaying an ad for a mobile phone company in preparation for Hanover's CeBIT 2004 computer and telecomunication technology fair, 11 March 2004. The fair, the largest of its kind in the world, opens from 18 to 24 March, and gathers some 6,400 exhibitors from over 60 countries. AFP PHOTO DDP/JOCHEN LUEBKE GERMANY OUT (Photo credit should read JOCHEN LUEBKE/AFP/Getty Images)
Other Slideshows
Photos | Mecklenburg County pools open Memorial Day weekend
Photos | Combat Challenge held for Firefighters 
Photos | 7 injured after train collision, overpass collapse 
Photos: JFK assassination artifacts
Photos: World's largest LEGO model
Photos | Qualifying for the Coca-Cola 600
