A waiter shows diners a coaster with a QR Code for the menu at Sadelle’s Cafe overlooking the C …

A waiter shows diners a coaster with a QR Code for the menu at Sadelle's Cafe overlooking the C ...

A waiter shows diners a coaster with a QR Code for the menu at Sadelle’s Cafe overlooking the Conservatory at the Bellagio on the Las Vegas Strip, Thursday, June 4, 2020. (K.M. Cannon/Las Vegas Review-Journal) @KMCannonPhoto