If you're using Firefox, we can scan the Wifi access points around you - and compare them to some dbs for ridiculously accurate geolocation. In NYC it's almost

If you're using Firefox, we can scan the Wifi access points around you - and compare them to some dbs for ridiculously accurate geolocation. In NYC it's almost always better than smart phone GPS. See https://developer.mozilla.org/en/using_geolocation https://developer.mozilla.org/en/using_geolocation for some details