RateBroadway.com does not require any personal information or email address. You can create an account without providing anything more than a desired login and password.
In case you do provide an email address, RateBroadway.com will not sell or distribute that email list to other parties. It will only be used in the event that you forget your password. You will not receive any emails from RateBroadway.com unless you specifically opt in to them.