Considerably more detail about Google Mobile Maps new functionality to locate mobile devices via GPSes or via nearby cell towers, including a list of supported devices and speculation about this feature’s inclusion in the Android platform.

Seattle 911 responses mashup w/ Google Maps

“Towers are registered with the FCC. We’ve taken the information and compiled it into a searchable database, and displayed it with Google Maps to give you a graphical interface to see towers in your area.”