I don't know the guy and I'm not sucking up--at least I don't think I am--but my ah-ha moment was when I read Dr Kurt Harris's explanation of the Archevore Diet. I literally said, "Oh, I get this!"
My next thought, "Others wrote entire books trying to explain this and this guy said it all in one page."
EDIT: I would say similar things about the definition written by J Stanton at Gnolls.org and his series on Why Are We Hungry?.