Apparently it'll turn 30 years old in a few weeks [1]. It hasn't changed much if at all since its inception.
Its very small size makes it perfect for curl perdu.com or when the connection is very bad.
Been using that for so many years now, probably 20ish? Oh wow, yup, I remember this page from 2006:
https://web.archive.org/web/20060505141837/http://www.red.co...
tl;dr ya
It's quite rare to find an unregistered one.