The MakerFaire (
http://www.makerfairedetroit.com/) put on by the Henry Ford museum is sponsoring a Hackathon during the event. In the spirit of the Maker Faire, The Henry Ford is making it's private APIs available to teams to build apps based on their digital asset collection, consisting of about 40,000 items, including photos, audio, and video. More info can be found at
http://hackathon.makerfairedetroit.com/ for those who would like to participate.