that's really quite scary how much detail it gets... http://maps.google.com/maps?f=q&hl=en&q=san+francisco&ie=UTF8&ll=37.798527,-122.411213&spn=0.049645,0.080338&z=14&om=1&layer=c&cbll=37.785828,-122.405735&cbp=1,142.863708425442,0.822218864657485,3 very interesting though!