Artificial intelligence (AI) is revolutionizing the restaurant industry.

The burgeoning sub-sector of the tech industry is bringing new, and personalized, customer experiences to restaurants in a once unimaginable way.

From the back of the house to the front, AI is transforming operations, and major players likeChipotle Mexican Grill Inc(NYSE:CMG),Starbucks Corp(NYSE:SBUX), andMcDonald's Corp(NYSE:MCD) are at the forefront of this tech-driven shift.

A BofA Securities report highlighted this in an industry primer on restaurant stocks. Below are key takeaways for investors in Chipotle, Starbucks and McDonald's, from the research...