A location tagged data provision and display system. A personal communication device (PCD) with electromagnetic communication capability has a GPS receiver and a display. The PCD requests maps and location tagged data from data providers and other for display on the PCD. The data providers respond to...http://www.google.co.uk/patents/US6868335?utm_source=gb-gplus-sharePatent US6868335 - Personal communication system for communicating voice data positioning information