The most bizarre, perhaps, was a video disc player - something like a cross between a vinyl album and a video recorder - which fortunately came with a selection of discs.
I called that "a trifling $6 a month more," adding up to $72 annually, for the privilege of unlimited online video-watching and to check out one video disc at a time.
He was also a pioneer of the video disc at the end of the 1960s, which did not succeed commercially, and of digital recording, which quickly became the industry standard.