Ключевые слова: baby, background, blank, busy, carefree, caucasian, cell, child, childhood, chroma key, color image, communication, computer, concentration, desk, device screen, digital native, display, education, females, finger, fly, game, girl, green color, growth, hold, holding, horizontal, internet, isolated, kid, little, mobile phone, one person, people, phone, playful, portable information device, screen, smart phone, smartphone, technology, telephone, wireless technology,