Ключевые слова: bill, car, cell, cellphone, checking, cinema, cod, connected, consumer, coupon, customer, device, digital, discount, display, electronic, female, girl, hand, market, metro, mobile, money, monitor, nfc, parking, pay, payment, phone, qr, quick, record, response, retail, scan, shopping, smart, smartphone, station, subway, super, sync, system, terminal, ticketing, train, transaction, use, wireless, woman,