New street signs at Downtown Disney

Noticed a small thing this weekend: the street signs at Downtown Disney, where Buena Vista Dr intersects, aren't there anymore. Now there are boxes that display digital text in their place, I think via small LEDs. At the moment, there merely displayed "TEST TEST" on them, but I assume this gives Disney some flexibility on what to put there, rather than street names. Like if a band is playing that night, maybe they could put it right there on the street sign. Or say House of Blues and place an arrow there. Neat.