Not all of them even have it. Once everyone moves on from a project unless the company has an archivist that stuff tends to get thrown away or forgotten about

Not all of them even have it. Once everyone moves on from a project unless the company has an archivist that stuff tends to get thrown away or forgotten about in some dusty drawer in some box of DAT tapes that everyone forgot about. I would say it would be around the very late 90s that companies started realizing they should hold onto that stuff. Even then...