Sign of the Times

Ben: "What's Tetris?"

Daddy: "It's a video game. Back when Mommy and I were in school, Tetris was like Angry Birds. And before that, Pac-Man was the thing. And way in the beginning it was Pong."

Ben: "Oh! On Cool Math Games they have Pong! But I can't play it because our Java needs to be updated. I think it needs to be updated twice."