Poynt, a competitor to Wherewas lessfull-featured. The app uses GPS locationtooffernearbygasprices, and it, too, listsinformation aboutlocalrestaurantsandmovies.
Competitor Skyhook Wireless, which until recently provided the location backbone for every iPad, iPod and iPhone device Apple shipped, has been doing this since 2003, before many homes had wireless access points.