Ключевые слова: adolescent, assistant, beach, book, books, boy, caucasian, cellular, child, digital book, e book, ebook, electronic book, electronics, guy, holiday, male, mobile phone, ocean, phone, read, reader, reading, sand, sea, seashore, shore, smart phone, smartphone, tablet, technology, teen, teenage, teenager, teens, telecom, telephone, vacation, vacations, water,