Abstract: A method of advertising includes maintaining an Internet-related communication session between a user and a portal and, during the communication session, selectively providing advertisements based on any one of user constraints, sales criteria, and context.

Abstract: A method of determining if one web site has the same information as another web site includes receiving a signal to select a form configured to find data in a file containing information displayed on a web site and accessed via a network, applying the selected form to the file and selectively identifying item information available in the file, copying identified item information to a first data file, the identified item information being related to a specific product or service, and comparing the first data file and a second data file to determine if the specific product or service of the first data file is related to the specific product or service of the second data file.

Abstract: A method of providing voice access to Internet-based information and services includes receiving a signal indicating a communication connection request in which the communication connection request is initiated by a user of a communication apparatus, establishing a communication connection with the communication apparatus of the user, receiving voice information from the user, and communicating voice information responsive to the voice information received from the user. The responsive voice information includes Internet-based information.