The wall separating our hotel room’s bathroom from the rest of the room has a magic window with two settings: the translucent setting, or “Wake up, someone’s taking a shit,” (pictured here) and the transparent setting, “Wake up and look at who’s taking a shit.” What’s missing is the all-important third, opaque setting, AKA “wall,” which would put us even with cavemen, who had the technology to shit behind a bush.