Instructions to tap into an OnStar unit and take control of the GPS subsystem. Now you can disable the GPS and/or use it with your laptop (and mapping software) instead of (or in addition to) using it for OnStar.

Tap into OnStar

Link courtesy of Decius

PingID is looking to impliment a wide scale unified ID system that would be standards based enough to tie into just about anything you care to. Something I'd like to see, strong authentication for the masses, would be the next logical step.

Open Digital Identity Project | PingID.org