Google predicts that it will have 400 million users by end of 2012

They just passed 62 million users by adding 625,000 new users per day.

Now, Google+ is predicting that they will have over 400 million users by the end of 2012. Are the numbers reliable?

Some say no. Not really. Those who sign up through Andro ...

Source:
http://www.techi.com/2011/12/google-predicts-that-it-will-have-400-million-users-by-end-of-2012/