What is something that's crazier than the wildest dreams of any ~1970s nerd, but exists today? I'll start with an easy one:

Vr is pretty damn cool IMO, also emulation.

The fact almost any computer after 2010 ish can basically play every single game made for every console ever up to probably ps1/ps2, is insane.

I’m still amazed by the fact that PS2 was backwards compatible with PS1 cause it had a PS1 module inside. Also, PS2 super slim was way too sleek, even for today’s standards