...comes from Laurelin in the Rain.
Following her hugely popular troll identification posts (parts I and II) and inspired by Ms Violet's post about sexual harassment in the street, Laurelin has analysed and classified the behaviour and motivation of those males who yell from cars, sound their horns, make uninvited comments and generally take pleasure in harassing women in the street.
While I was reading it I was reminded of the behaviour of internet trolls. Could there be a connection? Read it here and see what you think.