Ключевые слова: addiction, application, carefree, cell, cellphone, chatting, cheerful, colleague, communication, connection, device, diversity, enjoying, entertainment, friendly, friends, friendship, fun, group, happy, having fun, internet, laughing, low angle, meeting, mobile, mobile phone, multiethnic, multiracial, online, online shopping, outside, people, phone, searching, sharing, smart phone, smartphone, smiling, social media, student, technology, teen, teenage, together, using, watching, young, young adult, youth,