Ключевые слова: 20s, adult, african, caucasian, cellphone, confident, copyspace, education, ethnic, female, friends, friendship, fun, graduation, group, happy, hat, holding, looking, male, man, men, mobile, modern, natural, online, outdoor, outdoors, outside, people, person, phone, photo, real, selfie, selfies, smartphone, smile, smiling, standing, student, students, success, tech, technology, together, woman, women, young, youth,