Imagine you're a cookie mogul. You figured out a way to make lots of money by giving away delicious cookies for free, and in less than a decade, you created a global cookie behemoth. But recently your cookie kingdom has begun to crumble. Scientists are worried that people are eating so many of your cookies that they’re making themselves sick — yet they keep eating more, because who can say no to free cookies? There are concerns that your cookies are crowding out the market for normal food; following your success, fruit and vegetable companies have pivoted to free cookies, and now much of the global food supply is just cookies.