One of the beneifts of being on the campus of fair Washington University (in St. Louis!) on a Wednesday at lunchtime is enjoying Cheap Lunch. It's very popular, as you can see in the picture of the day.
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kamoranakrre notes that, although they say it's unlimited chips and cookies, they will get rather grumpy if you try to walk off with an entire bag of chips and tray of cookies. Be nice! :)