I guess that the Japanese are really into them...
I'm not but to each their own..
The launch customer for the plane, Japan's All Nippon Airways, is among the host of airlines here to check out Boeing's handiwork. The carrier plans to pack its aircraft with new features, including the first airliner bidets. The first 787 appears to be on track to be delivered in May, the carrier says.
wonder what future improvement we can expect to see onboard the 787 (and the A380 as well)