40 years of mobile phones in photos

Martin Cooper, chairman and CEO of ArrayComm, holds a Motorola DynaTAC, a 1973 prototype of the first handheld cellular telephone in San Francisco, Wednesday April 2, 2003. 30 years ago the first call was made from a handheld cellular telephone.(AP Photo/Eric Risberg)
April 3, 2013 10:39:59 AM PDT