Ключевые слова: addiction, adult, application, casual, caucasian, chatting, cheerful, collage, collection, concept, creative, different, diversity, ethnicity, female, gadget, group, guy, happy, home, human, image, international, lady, leisure, lifestyle, lifetime, male, man, mature, men, millennial, mobile phone, multiethnic, multiracial, panorama, people, positive, rest, resting, senior, set, smartphone, smiling, technology, using, weekend, woman, young,