Have you ever wondered who buys those huge cans of green beans at Costco? I have, and none of my hypotheses were even close to the truth I've discovered.
It's dog owners - more particularly dog owners with fat dogs, or at least dogs that need to drop a few pounds. Apparently, this is a well-known technique for helping your dog trim down.
And to show I really know what I'm talking about, I'll put a link to Fox News: