The app is free and began as one of the first providers of video calls, texting, photo sharing, and games on a 3G network.

Tango, based in Mountain View, California, was founded in September 2009 by Uri Raz and Eric Setton.

The founders raised venture capital from a range of investors such as Draper Fisher Jurvetson and Len Blavatnik.

[10] In July 2013, the Syrian Electronic Army hacked the Tango chat app and stole 1.5 terabytes of user data.

[11] A financing round in March 2014 brought in $280 million from Alibaba, Yahoo co-founder Jerry Yang and other investors.