Ключевые слова: background, bag, blank, cell, cellphone, communication, detail, digital, display, education, english, international, internet, isolated, knowledge, language, learn, learning, lesson, meeting, mobile, modern, new, object, open, page, personal, phone, print, read, school, screen, smart, smartphone, study, studying, stuff, teaching, technology, text, touchscreen, white, wireless close, word,