In Otomo Katsuhiro's 1995 #anime film Memories (Magnetic Rose), protagonists were trapped inside an abandoned space station, unable to escape due to illusions. It turned out the station was controlled by a supercomputer, playing 3D holograms nonstop, created by AI from dead owner's recorded life experience. The memories' had eternal life - archived as full simulations, but simultaneously lifeless - everything in the simulation had long dead, and although they were interactive, one couldn't create new outcomes, only replaying history.
Reading #Usenet archives provoke the same feeling. Unlike web snapshots, a mbox file is a full simulation, You read posts in "real time", see people discussing news, tech, art, hobby, fandom, or life, full of wonderful things - just like a current forum, time is the only difference. One can easily spend months if not years inside. Simultaneously it's sad, all external resources are no longer accessible. More importantly, nobody is here to reply your posts. #retrocomputing