Patent ID: RE42574

Claim:
A mobile device for electronic commerce, the device comprising: a mobile housing; a microprocessor based unit coupled to a memory storage device in the housing; a wireless receiver coupled to the microprocessor based unit, the wireless receiver being adapted to receive broadcast information that is of interest to multiple users comprising text, graphics, and sound from a lower cost one-way wireless network, the broadcast information being derived from an information server; a wireless transceiver coupled to the microprocessor based unit, the wireless transceiver being adapted to send an acknowledgment of receipt of the broadcast information to the information server if the broadcast information is received by the wireless receiver, the acknowledgment of receipt is sent on a higher cost two-way wireless network that provides one-to-one transmission, and further adapted to send and receive second information, which comprises text, graphics, and sound, on the higher cost two-way wireless network, a higher cost of the higher cost wireless network being relative to a lower cost of the lower cost wireless network; and a display coupled to the housing and coupled to the microprocessor based unit.