> BTW, if anyone implements a "Thank you for signing up" email, please please please put the original IP address used to sign up in the email along with the "If

> BTW, if anyone implements a "Thank you for signing up" email, please please please put the original IP address used to sign up in the email along with the "If this is not you". +1; doing a macro-level lookup of the IP address's location would be useful, too, for less tech-savvy consumers.