“They can continue to serve their customers and have their employees wear masks in these settings,” Sidelinger said. “For a business that wants to serve their customers in a different way by allowing them to remove their masks if they’re fully vaccinated, or have their staff be able to remove their mask if they’re fully vaccinated, they need to institute a system where individuals can share their vaccination status.”

Oh, so we can't go back to the way things were because....why again?