Well let's don't get all romantic about something that was, in the end, half-baked. BeOS debuted at the dawn of the web, and it had a barely-working, userspace network stack and a web browser that essentially didn't work at all.
It had some novel APIs, a nifty filesystem, and made for a damn good demo, but there wasn't much more to it.
It had some novel APIs, a nifty filesystem, and made for a damn good demo, but there wasn't much more to it.