On air: Will we all have to change our names .....
"I don't believe society understands what happens when everything is available, knowable and recorded by everyone all the time... I mean we really have to think about these things as a society."
Mr Schmidt says that Google will store more information about its users in future...at the moment, he says ..
""we know roughly who you are, roughly what you care about, roughly who your friends are."
Some experts say his fears are "overstated" and Suw Charman-Anderson, a social media consultant , says the answer is in society itself..
"We are just going have to become a bit more forgiving of the follies of youth."
Are you worried that your past will catch up with you online ? Have you been tagged in a picture that isn't, shall we say, very flattering ? Have you had your internet profile "cleaned up" ? Do you regret putting some of your own information "out there" ?