Ключевые слова: bill, business, buy, cashless, cell, checkout, consumer, contact, customer, digital, electronic, female, field, floral, flower, girl, hand, method, mobile, modern, money, near, new, nfc, pay, paying, payment, people, person, phone, purchase, reader, retail, scan, service, shop, smart, smartwatch, store, tech, technology, terminal, wallet, watch, wearable, wireless, woman, wristlet, wristwatch,