Okay, blowing right past the bit about information being stored on crystals... Though she can't help but wonder briefly, just how much a treasure like THAT must be worth...

"What, movies? Heh, sure! Usually the really cool stuff comes out on the big screens first, but after it's available for people to go watch there for a while, the studios who make them will release copies of the recordings for audiences to buy and watch at home. The recordings, they get stored on these, umm..." She makes a rectangle shape with her fingers. "Like, these brick-shaped thingies that are full of film? They're called 'video tapes', and you can plug them in and play them on these smaller screens called 'TVs'..."

She trails off staring at her hands a moment, and then lightly smacks herself on the forehead with the butt of one palm. "Wait, DUH. Why am I describing them to you when I can just show you? Here, gimme that plate you're holding--"