Makers of the Wizard of Oz pinball machine have been keeping a secret. Every time anyone asked about the crystal ball on the playfield and what it "does", they would coyly avoid the question in a way that made it obvious it was going to do something cool.
Today they have revealed the crystal ball's functionality, and it is undeniably cool. The crystal ball, like in the movie, will display video. Many people suspected this was what they might be planning, but it's pretty neat to see them pull it off.