Abstract: A method of tracking a web browser across distinct domains of a network of computers includes the step of identifying, at a first server computer with a first domain name, a first request from the web browser. The web browser is then assigned a unique identification code. The unique identification code is then conveyed to a second server with a second domain name that is distinct from the first domain name. A request by the web browser to the second server computer is associated with the web browser via the unique identification code. In this way, the web browser is tracked across distinct domains of the World Wide Web. As a result, the web browser can be passively tracked to identify content preferences and interests associated with the individual using the web browser.

Abstract: An in band single channel per carrier supervisory and signalling apparatus and method is disclosed for satellite communications. The apparatus includes a near supervisory interface located at a transmitting terminal, and a far supervisory interface located at a receiving terminal. The near supervisory interface responds to either dc or single tone conventional signalling on a sending telephone line and formats hook status and dial pulse transitions for in band transmission. The far supervisory interface responds to the messages, as formatted by the near supervisory interface and, re-formats the information thus communicated for the receiving telephone system.