Google has announced version 2.0 of Google Maps for mobile, featuring a beta version of its new "My Location" service that serves as an alternative to GPS technology, which is not widely available on mobile phones.
It uses phone-tower ID information to provide users with their approximate location, helping them determine where they are, what's around them and how to get there:
For users who do have GPS cell phones, My Location can actually complement it, Google said. "My Location kicks in faster than GPS in most cases, so you can access your location even faster on the map," wrote Mike Chu, software engineer on the Google mobile team, on the team blog. "It also works reliably indoors (unlike GPS) and doesn't drain your phone battery at the rate that GPS does."
Read in full - 'Google Mobile Finds You, No Satellite Required'