Ключевые слова: adult, app, automatic, blue, boy, buy, car, cashier, cell, cellphone, cinema, communication, connect, consumer, customer, device, digital, electronic, hand, lady, machine, metro, mobile, money, near, nfc, parking, pay, paying, payment, people, phone, quick, response, retail, scanning, screen, smart, smartphone, station, subway, system, technology, ticket, tooth, train, transaction, wireless, woman,