Ключевые слова: above, app, backpack, break, campus, cellphone, chatting, class, college, communication, contact, cool, development, down, education, email, good, guy, innovation, internet, learning, life, male, man, message, mobile, modern, online, people, person, phone, pupil, reading, research, smartphone, staircase, stairs, steps, student, study, technology, texting, top view, typing, university, walk, walking, web, wireless, young,