South Orange, New Jersey, mayor Alex Torpey has a great speech from Personal Democracy Forum 2012, where he discussed how the Internet is changing the way politicians learn, listen and engage with citizens, as well as the changing dynamic of who will seek elected office in the future.
At 23 years-old, Torpey is the youngest person elected as mayor of South Orange.
See also his recent Huffington Post piece on how his city is leveraging technology to be more open and better communicate with its citizens.
http://www.youtube.com/watch?v=Zdprgo9uZ6Q