Ключевые слова: advertising, background, billboard, black, blank, board, business, cell, cellphone, cellular, clipboard, communication, computer, contraption, cyberspace, design, device, digital, display, electronic, empty, equipment, gadget, internet, isolated, message, mobile, mock up, mockup, modern, monitor, note, object, office, phone, screen, signs, smart, smartphone, space, tablet, technology, telephone, template, touch, touchscreen, up, web, white,