nostr:npub1pnpez7cn4h04pxg07dmmklzyz7u7fm0w2ddrw220qh785rq3m42ql452zw nostr:npub1ka42w63f7tz823jjad4j3y3a8jjq39skpmvwp9urmxr9e67hsvfsy6k6jp Because the logical groundwork they set is still in use today and shows no signs of becoming obsolete-- it's just too useful to have a very basic, universally understood mechanism for talking to a computer that doesn't vary by vendor or trends in graphic design etc. If you've ever used the macos terminal you've used a virtual teletype to talk to your computer.