San Francisco is completely on board with robot-made quinoa and burger restaurants, but when it comes to some of the nation's top fast-food chains, the door is still closed.
In a city known for welcoming most things, San Francisco is still notoriously against fast food chain restaurants. Business Insider took a look at QSR Magazine's list of the 30 most successful fast food chains, ranked by systemwide sales in the US.
Of the top 30, a baker's dozen can't be found inside San Francisco county
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