"Oh, uh, a bunch of computers. Like how clouds are like water droplets. The droplets being computers. And the computers aren't next to you like clouds aren't next to you, but they're together?" Rex is actually a bit proud he remembered someone else's analogy. "And my phone doesn't need wires to get that sort of information. Sorta like how you can see a cloud from the distance, and it can rain on you."

Rex feels smart right now.