Ключевые слова: 17 years, 18 years old, adult, age, background, casual, caucasian, cell, cellphone, communication, fashion, gadget, guy, hair, handsome, happy, holding, internet, isolated, joy, looking, male, man, message, mobile, model, network, online, people, person, phone, portrait, smart, smartphone, smile, smiling, sms, social, student, studio, style, technology, telephone, texting, typing, using, white, young, youth,