WHEEL OF FORTUNE - BIG WHEEL - 60 MINUTES (CBS; 10/19/1986). Morley Safer profiles the megahit TV game show (in 1986) and interviews Pat Sajak, Vanna White, Merv Griffin and the King brothers.
Actually, according to this video, they used touch-based computer technology as early as 1993. ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-IEAXalRlqqE.htmlsi=vEUIjAuI35gs9_1X
Simply because they had trouble getting any station in each of the big three (New York, Los Angeles, and Chicago) to carry it. Heck, Every Second Counts cleared L.A., Chicago, Washington, and San Francisco, but lack of clearances in New York and other major markets (Philadelphia, Boston, Dallas, Atlanta, etc.) doomed the show after only one season in 1984-85; it would find success over on the BBC.