Ключевые слова: adult, background, bar, barcode, black, business, buying, caucasian, code, coding, concept, consumerism, customer, digital, empty, finger, gesture, gesturing, hand, hold, human, identification, isolated, label, line, numbers, palm, person, price, row, sale, scan, scanner, scanning, sign, strip, striped, symbol, tag, thumb, unique, white,