Google has them installed in the Mountain View campus, and probably in their other locations as well.
No. Elaborate...
From personal experience... my grandparents had one in their house (I think it must be a decade old) that would wash and dry everything. You could control the temperature and water pressure. It also had temperature controls for the seat. I think there were more functions I didn't know how to use.
It is strange that we haven't made this as comfortable an experience as our modern technologies/engineering allow. It's the equivalent of us still using the same type of mattress they used in the 1920's. I sleep on a "sleep number" and it's WAY more comfortable. I should be able to take a deuce on a way more comfortable toilet. Heated seat, automated flushing and paper dissension, automated seat rising and collapsing. When you are done using it, it should revert to a "closed" or "sleep" mode. The flush should be a pleasant sound enhanced by audio of your choosing etc. It should be a personalized experience.