Not sure why someone hasn't done it recently, but I'm not surprised they didn't do it back then. At the time of MD's popularity, it probably wouldn't have made

Not sure why someone hasn't done it recently, but I'm not surprised they didn't do it back then. At the time of MD's popularity, it probably wouldn't have made much sense to compete with zip and jaz drives unless you could make them much cheaper, and I doubt they could have with MD. Portable audio that wasn't as finicky as CD but was higher quality than a cassette was the real killer functionality.