Imagine demographic studies of urban areas in the future. Might they one day include robot populations in their data?

Tokyo’s Robot Restaurant is a novelty eatery populated by robots. And, Henn-na Hotel, the world’s first hotel staffed by robots is open for business.

And now, with the introduction of RoboCab, Japan is leading the world in creating an entire society that accommodates autonomous vehicles.

Here’s a link to a 59-second video:
http://video-api.wsj.com/api-video/player/iframe.html?guid=1C974481-6D77-40CD-9516-2EFF4F4BAB15