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9. Shake Shack Chick'n Shack
Shake Shack is seemingly engaging in a worldwide takeover, expanding its number of stores by 33 percent from 2014 to 2015, which multiplies the franchise from an East Coast phenomenon to a nationwide food-on-a-bun empire. You might have opted for a burger on your first visit, but the Chick'n Shack will have you lining up a few times a week.