Ключевые слова: advertisement, app, application, background, blank, cellphone, close up, communication, connection, device, digital, display, electronic, empty, fingerprint, front, hand, hold, holding, human, internet, isolated, keypad, message, messaging, mobile, mobile phone, mock, online, pay, payment, phone, pointing, presentation, pro, screen, shopping, showing, smart, smartphone, technology, telephone, touch, touch screen, touching, touchscreen, website,