A system for interacting with a person browsing a web site has an Internet-connected server and a connected data repository, and software executing on the server from a non-transitory physical medium. The software provides an identity function identifying the person, a selection function checking the data repository for stored information regarding the identified person, including any tracking rules associated with the identified person, and one or more tracking functions monitoring and recording behavior of the person browsing the web site. The one or more tracking functions follow the tracking rules, if any, associated with the identified person in monitoring and recording behavior of the browsing person.