Ключевые слова: africa, african, attendant, black, boy, business, cellphone, contactless, customer, female, finance, girl, guy, handset, internet, items, lady, lifestyle, male, man, merchant, mobile, nigeria, nigerian, online, pay, payment, person, phone, point of purchase, point of sale, pos, process, purchase, retail, shop, smartphone, smile, smiling, store, successful, supermarket, terminal, thumbs up, transaction, transfer, using, woman, young, youth,