Led by guy who works at FourSquare.
http://zetashapes.com
Introduced as a possible topic at today's hackathon in Minneapolis:
http://visualizingneighborhoods.eventbrite.com
Steven Clift - http://stevenclift.com
Executive Director - http://E-Democracy.org
Twitter: http://twitter.com/democracy
Tel/Text: +1.612.234.7072