A wireless location-based information-retrieval system includes a wireless communication device. The wireless device has a transceiver for sending and receiving communications across a wireless communication network, a position-determination device for determining the location of the wireless device,...http://www.google.de/patents/US20030060211?utm_source=gb-gplus-sharePatent US20030060211 - LOCATION-BASED INFORMATION RETRIEVAL SYSTEM FOR WIRELESS COMMUNICATION DEVICE
