Cell Phone APRS is here. Microsoft is experimenting with Mobile Social Networking: <http://www.techweb.com/wire/ebiz/193200689;jsessionid=5DKSFKQMFOKIOQSNDLRSKHSCJUNN2JVN> Microsoft enhances GPS capability in Streets and Trips <http://www.infoworld.com/article/06/10/11/HNmsgps_1.html>