Ключевые слова: app, application, audio, background, business, buttons, cellular, china, colorful, communication, concept, connection, contrast, cyberspace, device, digital, display, electronic, issues, logotype, media, mobile, mobile phone, mobility, monitor, multimedia, network, networking, object, phone, play, player, portable, privacy, screen, smartphone, social, stream, streaming, technology, touch, touch screen, usa, video, web, website, white, wifi, window, wireless,