I've personally seen it happen with 3 separate accounts, including my own. I don't know what we did different than you - we logged in to gmail, clicked 'no tha

I've personally seen it happen with 3 separate accounts, including my own. I don't know what we did different than you - we logged in to gmail, clicked 'no thanks' on the Buzz pop-up, noticed it was turned on anyways, checked our already existing public profiles, and saw a publicly available following and followers list.