Wikipedia
Taptu
Taptu was a social media and technology company that built platforms, tools and applications that enabled content on touch screen mobile devices, including phones running iOS and Android. Taptu was a privately held company that was founded in Cambridge in 2007 and was funded by DFJ Esprit and Sofinnova. The company was based in Cambridge and Denver, Colorado.
In September 2012, Taptu was acquired by Mediafed Ltd. The Taptu service shut down March 31st, 2015.