|GPS brings a whole new level of precision to the mobile experience. Cell phones have been required to be location-aware for several years in order to comply with the needs of emergency response agencies in the U.S. However, the primitive triangulation system that basic phones use isn’t very precise. With GPS, a user’s location could be pinpointed to within a few feet.
Paul Gillin, The Promise and Pitfalls of Location-Awareness
If you do a search on Google for location awareness, you’ll find lot of articles written by people who are excited about the possibilities of mobile devices and location awareness. Advertisers, particularly seem excited. If you look at the dates for a lot of those articles, however, you might be surprised to see they were written in 2001. Will the iPhone really be the tipping point for location awareness 3rd party apps? I’m not going to hold my breath.