I was. When, as a kid, I went to computer trade shows in the early 80s, 1/2 of the "business" computers were running CP/M (then switched, almost overnight, to M

I was. When, as a kid, I went to computer trade shows in the early 80s, 1/2 of the "business" computers were running CP/M (then switched, almost overnight, to MS-DOS around 1983, IIRC).