Ключевые слова: airport, atm, automatic, average, beverage, black, bus, business, buy, choosing, city, coin, consumer, covid, customer, device, dispenser, display, drink, electronic, face mask, finger, food, girl, icon, innovations, machine, monitor, people, screen, self, self service, sell, service, smart, snacks, soft drink, station, store, street, student, tech, technology, terminal, tourist, train, travel, urban, wireless, woman,