1. Brustein J (2012) Contest whose winners may not succeed. New York Times. http://www.nytimes.com/2012/03/04/nyregion/new-yorks-bigapps-contest-has-mixed-results.html
2. Greenfield A (2013) Against the smart city (the city is here for you to use) [Kindle eBook ed.]. Amazon Digital Services
3. Hack for Change (2014a) Key highlights. http://hackforchange.org/about/key-highlights/
4. Hack for Change (2014b) FAQ. http://hackforchange.org/about/faq/
5. Hack for Change (2014c) About. http://hackforchange.org/about/