Ключевые слова: addiction, adult, app, attention, booking, browse, casual, caucasian, cell, cellular, chat, communication, content, device, display, electronic, entertainment, focused, gadget, gray, grey, hallway, hotel, indoor, intelligent, internet, male, man, mobile, model released, online, phone, portable, red, site, smart, smartphone, tap, technology, telecom, telecommunication, telephone, touchscreen, use, user, wifi, wireless, young,