Even better, back in the early days of the ARPAnet (maybe 15-20 machines in 1973-4? probably faulty memories) every site had a guest account, and some of us wou

Even better, back in the early days of the ARPAnet (maybe 15-20 machines in 1973-4? probably faulty memories) every site had a guest account, and some of us would spend hours at night telnet'ing to one machine, then from there to another, until at some point the chain would break.