Ключевые слова: african american, black man, black woman, blur, caucasian, cellphone, cheerful, classmates, college, computer, devices, digital tablet, education, emotion, friends, friendship, gadgets, generation z, gesture, group, happy, higher education, indoors, inside, interracial, joyful, knowledge, laptop, men, mobile phone, multicultural, multiethnic, people, photo, picture, point with hand, positive, selfie, smartphone, smiling, students, study, take, university, women, young adult,