Ключевые слова: 2020, application, black, blank, browsing, close, communication, computer, connection, copy, desktop, device, digital, display, ebook, education, electronic, empty, flat, gadget, internet, laptop, lay, lte, mobile, mobility, new, online, overhead, pad, pc, portable, screen, search, smart, space, study, tablet, technology, top, touch, touchpad, up, web, website, white, wireless, wooden, year,