There is for example this archive of google terms of service changes: https://policies.google.com/terms/archive?hl=en https://policies.google.com/terms/archive?

There is for example this archive of google terms of service changes: https://policies.google.com/terms/archive?hl=en https://policies.google.com/terms/archive?hl=en but i didn't find similar archives for other big players.