They seem to want 25 million active, living people using Twitter. 40 million accounts is not the same thing. See this post about the difference between active a

They seem to want 25 million active, living people using Twitter. 40 million accounts is not the same thing. See this post about the difference between active and total users. http://www.avc.com/a_vc/2009/07/the-difference-between-total-uses-and-active-users.html http://www.avc.com/a_vc/2009/07/the-difference-between-total...