Ключевые слова: adult, african, african ethnicity, american, american university, app, background, black, black joy, black salesman, business, camera vision, cell, cellphone, cheerful, client satisfied, eyewear concept, face, fashion, glasses eyewear, glasses optical, good emotion, guy, happy, headshot model, lifestyle, looking, male, man, message, millennial, mobile, modern, outside, person, phone, portrait, portrait expression, smart, smartphone, sms, spectacles isolated, standing feel, student, stylish, technology, telephone, texting, using, young,