Ключевые слова: addiction, app, application, beautiful, boy, browsing, cell, cellphone, city, classmate, communication, concept, connection, couple, female, friends, friendship, gadget, girl, group, happy, internet, kid, lifestyle, many, mobile, networking, online, outdoor, people, person, phone, playing, school, schoolboy, schoolgirl, sitting, smartphone, smiling, social, student, technology, teen, teenage, teenager, texting, together, urban, using, young,