ford91exploder
Resident Curmudgeon
I was thinking the same thing.... and since Disney likes to put a story to a lot of things they could have updates carve out at handwritten speed as though one of the ToT spirits was updating the board.
You could do a movie marquee with an array of large LED's or do a smoke and mirrors trick with a invisible hand holding a piece of chalk updating the tip board which would in reality be a plasma or similar high brightness display with the chalk done with a larger version of a HUD as some high end cars have now.