100% - Even with that synth music - you just gotta have FAITH.

80% - OK, they can’t hum the WKRP theme , but I’m betting they know Prince, and “why doves cry“.

50% - Who doesn’t know a Nintendo( or was that an Atari) game console when they see one?

Under 25% - Yeah, they’ll spot the big hair, and the heavy metal band-- but can’t name the band.