Google again is expanding its footprint on the mobile world. Its "My Location" feature, which uses cell towers to roughly triangulate your position in Google Maps, is now coming to mobile Web apps, thanks to the Gears Geolocation API.

"But, Phil," you say, "I already know where I am. What can this possibly do for me?"

For devices without GPS, it should mean a lot. We're talking about (eventually) more than just smartphones here. The Gears Geolocation API allows Web sites, both mobile and otherwise, to get your location and then customize their content.

Offered as an example is U.K. site Simply click a link and the site tracks down your location. You then tell it what kind of food you want to eat, and it returns the restaurants closest to you.

If you're in the U.K., you can try it out now (IE Mobile only) at and For the rest of us, see the example video after the break.