[video] Imagine a smarter San Francisco

The parking-via-phone app solution has existed for almost a year: http://paybyphone.com/sf/

Graffiti removal is pretty damn easy via 311: http://www.sf311.org/index.aspx?page=118

And real time tracking of public transit could be better, but it's already pretty good: http://routesy.com/

ATM machines email you a confirmation when you deposit cash or cheques.