Ключевые слова: adult, african american, audience, back view, black man, blur, business, businessmen, businesswomen, caucasian, coaching, colleagues, conference, conference room, congress, copy space, corporate, eyeglasses, formal wear, gesture, group, headset, indoors, interracial, lecturer, managers, mature, meeting, men, middle aged, multicultural, multiethnic, participants, people, point with hand, profession, seminar, speaker, successful, symposium, technology, together, translation, women,