Facebook has at least 58 gender options.
http://abcnews.go.com/blogs/headlines/2014/02/heres-a-list-of-58-gender-options-for-facebook-users/
It could get pretty expensive if everyone has to install 58 bathrooms in order to avoid assaults by the gender police. In fact, most of the offices, kitchens, counters and stuff would probably have to be moved out onto the streets to make room.
Think of all the overtime for the plumbers!
Plumbing Contractors rejoice... 56 new bathrooms coming right up!