This exchange system will send an HTMl Links page attachment that a person must install on their site when they sign up from your site or a site that signed up from you. The system checks the referer so that the person signing up from the system need not fear having someone leave their site. The person is kept on that site. In addition to URL, Title, description, there are categories used for email breakdown. The sytem can email based on these categoreis a bulk od people or individually.