trends on the back side or breaking it down for the slow folks

wait first there was the mole thing
then the eye thing
and pictures, lots o’ those
which is all-good
but I think I may have crossed a critical mark with the last post
have I now created an irreversible scenario in which we are all going to start posting pictures of our behinds?
[dvd excluded, of course, having already unknowingly set the phenomenon into motion.]