When was the first mention of BB2.0?

Ms. Janie's message board 8/17/07

Message from; Scott From Ty

Here is a little secret before the party is over.
Tonight has been great. I'll spend the next hour reading all your posts. Before I call it a night I wanted to give you a hint of things to come. Here you go . . . BB2.0 !
Let's do this again soon. Thank you so much for all your support over the years. I would like to think that the best is yet to come. And of course I can't leave the party without the final parting words - expect the unexpected. For Mr. Warner and all of us at Ty, good night and God Bless You.