They've been instated in at least a couple of national chain restaurants in japan. My last trip, just a few months ago, I visited a shabu-shabu restaurant and k

They've been instated in at least a couple of national chain restaurants in japan. My last trip, just a few months ago, I visited a shabu-shabu restaurant and kaiten sushi (rotating sushi bar) that had touch screen tablets at every table. They weren't ipads - that's about all I could tell. In the case of the rotating sushi, it even alerted you to the fact that the dish you ordered was coming on the conveyer belt in a few seconds. Edit: I just posted a video of it. My nephew and niece in law (?) loved to order for us: http://youtu.be/LxQpJk52Sbc http://youtu.be/LxQpJk52Sbc