Ключевые слова: app, application, beautiful, boy, boyfriend, break, browsing, cell, cellphone, classmate, college, communication, concept, connection, couple, education, friends, gadget, girl, girlfriend, group, happy, headphones, high, internet, messaging, mobile, networking, online, outdoors, people, person, phone, school, schoolboy, schoolgirl, sitting, smartphone, smiling, social, student, summer, technology, teen, teenage, teenager, texting, together, young,