Geolocation in Firefox 3.5 and the outcomes for geocaches/cistes

Firefox 3.5 just came out and, within a bunch of improvements and new stuff, we can find a geolocation implementation. What's that? Che Hodgins explains that on his blog with an example. If I had to define it in a few words, my definition would be "it's a feature that makes it possible for a website to ask your location to your browser". Now, the thing is that, obviously, many new great cell-phones have both a GPS and a browser integrated. And this means...