Ключевые слова: application, bar code, barcode, business, capture, cashless, cell, cellphone, code, communication, communicator, data, device, digital, digital display, display, electronic, flower, gadget, green, hand, hold, identity, information, label, mobile, mobile phone, payment, phone, phone hand, portable, qr, qr code, qrcode, reader, scan, scanner, scanning, screen, showing, smart, smartphone, symbol, technology, telephone, touch, touchscreen,