It's funny they say that, because google authenticator's git repo has commits going back to 2010, and AlterEgo was launched in 2011. Could be a coincidence though.

Edit: Nope. Just confirmed Google Authenticator was released in February 2011 [1], and AlterEgo was released May 2011 [2].

[1] http://techcrunch.com/2011/02/10/google-rolls-out-two-factor...

[2] http://blog.mailchimp.com/introducing-alterego-1-5-factor-au...