Can’t believe I forgot this one:
http://boards.straightdope.com/sdmb/showpost.php?p=13868799&postcount=2
Totally on-topic for that thread, but we get it already.
http://boards.straightdope.com/sdmb/showpost.php?p=15161200&postcount=28
Okay, I’ll stop. I think I’ve made my point.