This is true in general, but some of the very early Gmail addresses do differentiate based on the '.' For instance, my very early-adopter Gmail address has a '

This is true in general, but some of the very early Gmail addresses do differentiate based on the '.' For instance, my very early-adopter Gmail address has a '.' in the address but it is an entirely different account from the one without. If you send mail to the one without the '.' I do not receive it.