As before, Sony believes that the sensors eliminate the need for windows. A 49-inch 4K monitor inside gives a mixed view of the world, and four 55-inch 4K displays bombard passersby with ads and other material. It will even use AI to optimize promotions for outsiders based on factors such as age and gender ̵
The two companies expect to use the Communication Carriage for Services in Japan sometime in fiscal 2019 (that is, before the end of March 2020). However, it will not be available for sale. Not that you really would want one given its icy 11.8MPH top speed. This is strictly for the fun of closed chains, not your next crawl.