“Location-tracking devices are no longer the stuff of science fiction. Believe it or not, you are probably carrying one in your pocket right now. Ever since 1999, when the Federal Communications Commission began to require that all cell-phone companies implant location-tracking receivers in their handsets, the technology has been proliferating. To avoid an inevitable flood of privacy concerns, most mobile carriers limited the use of these receivers strictly to emergency situations. That is, until recently. In the past year, Verizon, Sprint, Nextel, and several third-party companies have developed “mobile presence” applications, which give users the power to share their location with others. Ranging from buddy finders to cyber-babysitters, here are some of most popular applications to hit the map”…. <More>
SlideShow: Cellphone Location Based Services
I agree, I think some of the applications are invasive…
Big brother is here, and we did not know it 🙂
the network pricing factors keep ordinary uses away