Storing location information with JPG Pics.

Loads of people carry picture phones around with them to snap spur of the moment pictures. One problem with them is when you finally get around to dumping the pix onto your PC, you have forgotten where and when you too the bloody thing. The cell phone network can be used to triangulate the location of the phone to an approximate area and transmit it back in either Lat/Lon or human readable format.

this info along with he date/time can be stored in the pictures Exif data section.