BACK IN MY DAY; WE HAD ATARI, VINYLS, AUDIO CASSETTES AND VHS TAPES IN THE 1970S BUT THERE WERE NO DVDS, BLU-RAYS, STREAMING SERVICES, NES, PLAYSTATION, XBOX, MICROSOFT WINDOWS, APPLE MACS, SUPER MARIO, DONKEY KONG, THE LEGEND OF ZELDA, POKÉMON, GOOGLE OR YOUTUBE BECAUSE THEY WEREN'T INTRODUCED/INVENTED YET.