customers were people who had a business reason for having these things or some super rich dude who just wanted to show off. the big breakthrough idea was the idea of cellular systems. >> it's called cellular because your telephone is tied in to different transmitters, called a cell, and as you travel, the signal goes from cell to cell. >> this is something never ton before. if you don't have one you probably will have one in a decade say the makers. as the price comes down to the range of other high-tech toys. >> there were people who understood even in the early days that being trapped in a car was not freedom. people are fundamentally, naturally, mobile. >> i like to say the technology will go from a phone in the car to a phone in the briefcase to finally a phone in your pocket. >> and this is it. this is a portable cellular phone. you will be able to take this to any american city and call virtually any place in the