This 078 patent sounds like the telephone system.
Units of a commodity that can be used by respective users in different locations.
*TELEPHONE HANDSET
A user interface, which is part of each of the units of the commodity, configured to provide a medium for two-way local interaction between one of the users and the corresponding unit of the commodity,
* CONVERTS VOICE INTO AN ELECTRICAL SIGNAL
and further configured to elicit from a user, information about the user's perception of the commodity.
* PROVIDES USER AND CALLER ID, CALL WAITING, CALL MESSAGING.
A memory within each of the units of the commodity capable of storing results of the two-way local interaction, the results including elicited information about user perception of the commodity,
* VOICE MAIL.
A communication element associated with each of the units of the commodity capable of carrying results of the two-way local interaction from each of the units of the commodity to a central location and.
* TELEPHONE EXCHANGE
A component capable of managing the interactions of the users in different locations and collecting the results of the interactions at the central location.
* TELECOM COMPANY BILLING INFORMATION.
