We had a great time at the East Bay Maker Faire today, with Jason demoing autonomous ArduCopter functionality to constant crowds. Once the throng thinned out, he started doing stunts like this one, where he drags the ArduCopter away from home and lets it find its way back, terrain following the whole way, and then throws it away like a Frisbee and watches it stablize itself and return home. La…