it starts at all with the acoustic coupler the precursor of the modem and the very old IBM-Mashins in the who can make Telnet and the possibility to make Conversations in Datacenters and at home of the "Geeks" ;)
On This time..
later on C64 and Amiga...
the "Mailbox'" times who be Terminal emulations and Talkprograms in AmigaBox'es and the Dosboxes running and changed Programs 1:1 or 1:5 up download .. etc..
and then on The HTML-Forens, later PHPBB ..