This joint InnoCentive-Economist Challenge seeks descriptions of business ideas that employ disruptive technologies to make a big impact on the world. Winners will receive $2000 and travel expenses to present their ideas to business leaders and venture capitalists at the Ideas Economy: Innovation event in Berkeley, California, USA on March 28, 2013. Applications are due January 5, 2012. For more information, see the link below:

https://www.innocentive.com/ar/challenge/9932804