"If Google+ is opted in by default on Android now... ...I think this is the case with ICS" A Google+ account is created from any account I use to log into ICS

"If Google+ is opted in by default on Android now... ...I think this is the case with ICS" A Google+ account is created from any account I use to log into ICS? Have you a link which confirms this? I use a pseudonymous account on my Android phone.