how about...
-Quality control
-Fidget Spinners (I'm sorry)
-Exotic goods courier service
-Smuggling
-Documentary films/film crew
-Game Shows
-80's straight to video action films
-Tech noir
-Fad diets/workouts
-Pyramid schemes
-Area 51
-Life without spoken/written words
-Out of place artifacts from our time (example: aliens land on our abandoned planet in the future, find an everyday object from day-to-day life and have no idea what it is)
-Cold war space race
-Rube Goldberg machines built for everyday tasks