Ключевые слова: activity, app, banking, buy, buying, card, cashier, cellphone, checkout, commerce, communication, consumerism, contactless, device, digital, field, financial, hand, machine, mobile, money, near, nfc, online, pay, paying, payment, person, phone, pos, reader, retail, selling, shop, shopping, smart, smartphone, store, swipe, technology, telecast, terminal, transaction, transfer, wallet, wireless,