> Don't you have to log in to your G+ account to use any Google services (that need an account) It's more like "a G+ account is associated with the google serv

> Don't you have to log in to your G+ account to use any Google services (that need an account) It's more like "a G+ account is associated with the google services account you use." You still log in to the service as you did before, but G+ just sitting up there in the corner, waiting.