Treehouse!

Gelley's mouth hangs agape. She can't even begin to formulate an explanation. She bites her lip and begins, "Uh, damn... well, it's a square. Right? And this square has images of people or places that move. Usually tells a story or gives you the news or whatever." She purses her lips tightly and glances at the ceiling. "An' you can change the channel to see different stories - uh, TV shows - that you like. You followin' me?"