is that "up-skirt" photos and videos are very popular amongst a certain class of men, if I may be forgiven for using the word "class" in conjunction with that particular logical class. In addition, at least in the USA, many stall partitions are rather more like "modesty panels" on a desk, offering ample opportunity either to peep in directly through the almost inevitable gaps, or to position surreptitious devices to offer a more intimate view.

Try looking for "up-skirt" in Google. The last time I checked, there were 16,800,000 references, many of which seem to have been taken in women's restrooms. One gathers from a cursory glance that urination shots are favoured by a sub-class of them, and I use that word advisedly.

Also, as you point out, changing rooms are another matter, and public toilets serve as impromptu changing rooms all the time. Women often adjust the tucking of their blouses in front of the mirror, for example, at least when wearing skirts, through raising the skirt and tugging down the bottom of the blouse from beneath the skirt, a state of clothing disarray that would be embarrassing to many of us.

Not me, I have to admit, but I don't mind nude beaches either, and there are always grotty guys around. In some states, it's actually not illegal for persons of either sex to use toilet facilities labelled for the putative "other" sex, unless prohibited by local ordinance. Although it may be a workplace issue, it's quite often not a legal one.

I personally am in favour of "liberating" men's restrooms when lines stretch down the corridor for miles, and have done so when it seemed called for. It's been my experience that most men are gentlemen (in the old-fashioned sense) and readily agree to share the space when the situation is explained to them as an opportunity for chivalric courtesy. I've had men offer to guard to guard the entrance, rather more often than not, but then I'm winsome in many ways.

For a more nuanced take on this, here's a discussion on Feministing:

http://www.feministing.com/archives/014574.html

There are a lot of issues around this besides "men in women's toilets," as I've had friends, butch women, who've had the hue and cry raised on them by religious bigots with nothing better to do than harass and vilify any woman who doesn't fit their idea of what women looked like in the Fifties, those "Happy Days" of yore when men were men and women were women and everyone knew who wore the trousers in the family.

In fact, when I was young, it was illegal for a woman to wear "men's clothing," or vice versa. One could, in fact, get away with "slacks" or "pedal-pushers" only as long as they were clearly feminine in cut and colour, but skirts or dresses were more or less required in most social situations other than certain sports activities. Even the "shorts" we wore for "gym" were cut to look like very short skirts.

Cheers,

Liobhan

Here they are:

Golly, they were ugly.