Ключевые слова: activity, background, buying, cardkey, chip, communication, computer, concepts, connection, contactless, data, display, ecommerce, electronic, equipment, field, forecasting, frequency, identification, iwallet, mobile, mobility, money, near, nearfield, nfc, on, paying, payment, paypass, phone, radio, reader, reflection, retail, selling, shiny, sign, sign identification, simplicity, smart, technology, telecommunications, telephone, touch, trading, view, wallet, white, wireless,