http://www.istrategylabs.com/apps-for-democracy-an-innovation-challenge-for-dc-and-beyond/

iStrategy Labs in Partnership with the District of Columbia’s Office of the Chief Technology Officer are offering $20,000 in prize money for Apps that use the District of Columbia's live data feeds. I've been trying to think of some cool app ideas - there is a lot of data to work with. Maybe a social game that somehow incorporated city data to populate parts of it?