Ключевые слова: application, barcode, business, businessman, code, commerce, commercial, communication, computer, concept, contemporary, data, device, digital, display, ecommerce, electronic, equipment, finger, gadget, hand, hands, identity, information, input, internet, label, male, man, marketing, message, mobility, modern, monitor, online, price, qr, qrcode, scanner, scanning, screen, technology, touch, touchscreen, visual, white, wireless,