MHacks: Refactor Ann Arbor, MI, USA 50/50. 4:1. 500-700. radical. empowering. unapologetic. $3,000 in prizes Feb 20 – 21, 2016 364 participants
PennApps XII Philadelphia, PA, USA Let's Make History Together $63,650 in prizes Sep 4 – 6, 2015 903 participants
