"Taco Bell is adding kiosks to stores across the US. And, it's taking inspiration from an unlikely source: the airline industry.

The fast-food chain plans to install kiosks in all of its more than 6,000 restaurants across the country by the end of 2019.

"We know the No. 1 pain point in America is the ordering point," Mike Grams, Taco Bell's chief operating officer, told Business Insider. "How do you relieve congestion, how do you make it pain-free as much as you can?"

For years, Grams and other Taco Bell executives have been researching how to best add kiosks to stores. In that period, machines have taken over everything from checking out at grocery stores to checking in at airports. Airports in particular have proved to be an essential case study in what not to do."

Read the full article by Kate Taylor here.