FILE PHOTO: Customers order meals on tablets and pick up food from cubbies at Eatsa, a restaurant in the financial district of San Francisco, California, U.S., September 28, 2016. REUTERS/Peter Henderson


FILE PHOTO: Customers order meals on tablets and pick up food from cubbies at Eatsa, a restaurant in the financial district of San Francisco, California, U.S., September 28, 2016.

REUTERS/Peter Henderson