The value of posting something to the Open Thread also decays rapidly away from the first and fifteenth of the month.
Well, it seems I've made an inadvertent test of this, although a very weak one, since I posted this to the open thread and got no responses. But I can't rule out people just finding it to be not that interesting.
A fun comic about seashells and Bayes' Theorem. http://xkcd.com/1236/