For many of us, visiting the bathroom is a lot like visiting Las Vegas. What happens in there, stays in there. Several companies are hoping to change your habits in there though, most notably by inducing you to wash your hands on top of the toilet.
Big deal. Sink-toilets have been hanging around highly efficient Japan for decades. The compact devices feature a toilet on the bottom and a sink mounted on the top in the spot where you might usually keep some well-thumbed reading material. Once your affairs are in order, you simply turn around and wash your hands, with the fresh water coming from the tap, trickling into the sink basin, politely bypassing the tank and traveling directly to the toilet bowl to refill it.