Ключевые слова: automated, bus, business, buy, car, card, communication, connected, contact less, device, digital, doctor, electronic, entrance, hand, hands, internet, mobile, nfc, passenger, pay, paying, payment, people, person, phone, prepaid, public, service, smart, smartphone, station, system, technology, terminal, ticket, ticketing, touch, transaction, transport, transportation, validation, validator, verification, wireless, woman, work,