In my google search to find out who/what/when thought of this great idea I came across a few things
this article featured on npr, which I found rather enlightening
this page, which had me laughing, my favorite... #7
this club, that I am considering joining
these shirts, in so many different styles
this on wikipedia
I just spent half the day reading about peanut butter... I'd say it was a successful day. {I didn't realize how much I love peanut butter. I think I might need to get one of those shirts}