Apple patent applications are usually pretty dry, but it looks like a new one turned up by Patently Apple has a bit more user-focused meat to it -- it describes a location-based social networking app called "iGroups," which lets groups of people share data amongst themselves using a service like MobileMe. Once group members are identified and linked up, they can securely share information and users carrying devices without GPS-abilities will be able to triangulate their position using the positions of other GPS-enabled devices in the group. Of course, the actual patent itself is focused on the cryptographic key system that protects all the data, and we'
