The Sci-Fi Channel
This is one of the most synergistic marriages between a product and a spokesperson. In 1982, Radio Shack tapped author Isaac Asimov, one of the grandmasters of science fiction, to promote its line of new home computers, which at the time must have seemed like science fiction to the average person.
The TRS-80 Model III boasted up to 48K of memory, a 2.03MHz CPU, dual disk drives and an integrated B/W monitor. The base model was priced at $700, but this ad offered a Model III bundled with software and a dot-matrix printer for a cool $2,687.