The Aussies Do Efficient Scoring Signage
/This is a post for all of the standard bearers of the world.
Doug Ferguson pointed out the cleverly designed scoreboards here at the Australian Open. The volunteers do not have to access different numbers and keep red and black ones straight, but instead just need to flick little slits from white to black to update scores. While the signs are a lot heavier than the American versions we see, they are far superior on an efficiency basis.
They also have clever on-course leaderboards that use the same system featuring a handy design that easily lets the volunteer lower and raise the board to update scores.
Video demonstration:

