Ключевые слова: adult, banking, business, cell, cellphone, checkout, communication, concept, contactless, customer, device, digital, female, field, girl, glasses, hand, lady, mobile, money, near, nfc, optical, pay, paying, payment, people, person, phone, pos, retail, rfid, shop, shopping, smart, spectacle, store, system, technology, terminal, transaction, transfer, wallet, wireless, woman,