I’m supposed to be writing an encyclopedia article. Four, actually. Instead, I’m reading these:
http://www.grocerylists.org/
This might be my favorite. It’s in one of the compiler’s top ten lists:
http://www.grocerylists.org/lists/700/Pages/0605.shtml
I think a person could read these all day just to see the weird stuff people buy, particularly when grouped together. Enjoy!