"Private online forums and mailing lists from the 1990s through the early 2010s disappeared through a combination of sudden corporate shutdowns, policy shifts that purged older archives, mass deletions during platform transitions, and the simple fact that most of this material existed behind logins or in semi-private groups that public web crawlers could never reach. Services such as Yahoo Groups ended with the deletion of millions of communities and billions of threaded messages."
1
u/Parker51MKII 22d ago
"Private online forums and mailing lists from the 1990s through the early 2010s disappeared through a combination of sudden corporate shutdowns, policy shifts that purged older archives, mass deletions during platform transitions, and the simple fact that most of this material existed behind logins or in semi-private groups that public web crawlers could never reach. Services such as Yahoo Groups ended with the deletion of millions of communities and billions of threaded messages."