Ключевые слова: banking, buy, buying, cashier, cell, cellphone, checkout, computer, consumer, contact, contactless, customer, digital, electronic, express, female, field, finance, gesturing, girl, grocery, hypermarket, lifestyle, market, mobile, monitor, near, nfc, occupation, pay, paying, payment, people, phone, reader, retail, saleswoman, service, shop, shopping, smart, smartphone, smile, store, supermarket, terminal, wallet, woman, women,