Ключевые слова: african american ethnicity, african ethnicity, associate, black, business, businessman, closeup, commercial, communication, company, conference, conference room, confident, connection, convention, corporate, digital tablet, entrepreneurship, executive, expertise, global communication, handsome, holding, indoors, male, man, medium group of people, meeting, microphone, occupation, office, part of, podium, practicing, presentation, professional, seminar, skill, smart, speaker, speech, standing, suit, summit, tablet computer, tablet pc, touchscreen, training, well dressed, wireless technology, woman, workplace, young adult, young men,