The parking-via-phone app solution has existed for almost a year: <a href="http://paybyphone.com/sf/" rel="nofollow">http://paybyphone.com/sf/</a><p>Graffiti removal is pretty damn easy via 311: <a href="http://www.sf311.org/index.aspx?page=118" rel="nofollow">http://www.sf311.org/index.aspx?page=118</a><p>And real time tracking of public transit could be better, but it's already pretty good: <a href="http://routesy.com/" rel="nofollow">http://routesy.com/</a>