They have at least 3.5 million users [1]. They reached 1 million users in 2011 [2]. I wonder how many users are active on BB and GH though. In my case, I hav

They have at least 3.5 million users [1]. They reached 1 million users in 2011 [2]. I wonder how many users are active on BB and GH though. In my case, I have an account for both but never use BB. [1] https://github.com/about/press https://github.com/about/press [2] https://github.com/blog/952-1-million-user-party-mon-oct-17-in-sf https://github.com/blog/952-1-million-user-party-mon-oct-17-...