Ключевые слова: addiction, african american, app, application, asian, background, boys, caucasian, cellphone, children, concept, device, digital, diverse, fun, gadget, games, girls, gray, group, international, kids, lifestyle, mixed, mobile, modern, multicultural, multiethnic, multiracial, online, people, phone, play, preadolescent, preteen, pupils, school, schoolboys, schoolgirls, scrolling, selective focus, sitting, smartphone, social media, studio, study, technology, texting, using,