ChickfilA is now the third largest restaurant chain by systemwide sales. Its ascent has been so rapid that other fastfood brands are taking note of its unique business model. Popeyes recently launched its own chicken sandwich leading the two brands into a social media war. But how is it that a restaurant that's ensnared in controversy, and closed on Sundays, next in line to overtake Starbucks and McDonald's?

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The Rise Of ChickfilA