Someday we may be shopping, banking, taking medical examinations and reading over cable television. Terminals will be installed in every living room, just as telephones and televisions are today. The cable will have two-way capability that means while you are watching the hockey game, your TV set may be keeping track of you.
The Coaxial Wiretap: Privacy and the Cable,
Yale Rev. L. & Soc. Action
Available at: https://digitalcommons.law.yale.edu/yrlsa/vol2/iss3/11