Iphone Inc.|Apple]] engineers investigated the touch screen, under the direction of the former Apple president. Iphone developed the device with the exclusive and unprecedented collaboration of AT&T Mobility - Cingular Wireless at the time of the phone's inception - at a development cost of $150 million. During the development of the iPhone the code name with which it was called was "purple2", the company rejected the design of the committee developed by Motorola. In the middle of 1983, ...