Ключевые слова: 2, app, application, background, blank, bright, chatting, children, choose, closeup, communication, cyberspace, daytime, device, digital, display, electronic, finger, free, front, game, gaming, hand, hold, holding, horizon, horizontal, leisure, lifestyle, mobile, mobile phone, modern, online, person, phone, play, playing, screen, smart, smartphone, technology, texting, touch, touch screen, using, wireless, young,