VIDEOTEX SERVICE (AN ENHANCED TWO-WAY INTERACTIVE TRANSACTIONAL INFORM ATION SYSTEM USING EXISTING TELEPHONE AND/OR CABLE TELEVISION FACILITI ES WHEREBY USERS CAN ACCESS A COMPUTER THROUGH A TERMINAL CONNECTED TO A TELEVISION SET OR A FREE-STANDING CRT, OBTAIN SPECIFIC INFORMATIO N FROM THE COMPUTER'S DATA BASE, AND INTERACT WITH THE COMPUTER ON THE BASIC OF THAT INFORMATION

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