I'm wondering too. On https://www.google.com/accounts/ManageAccount , it says:
> You don't yet have a public profile. Learn more Create a profile or edit your personal info without creating a public profile.
I have no idea if I'm meant to create a public profile to save my email, or if I already have a private profile, or if I have no profile at all and this doesn't affect me. Hoping the last one.