Featured in: With carryout and delivery on the rise, restaurants are getting redesigned

From added food preparation lines to reconfigurations that expand space for people to stand and wait for takeout orders, joining the digital revolution has required restaurants to make physical changes in their kitchens and dining areas. And industry watchers say it's only the beginning.

"It's proliferating widely right now, especially with quick-service and casual dining," said Doug Roth, founder of the restaurant consulting firm Playground Hospitality.