Ключевые слова: african, attendee, audience, auditorium, black, business, businessman, businesspeople, businesswoman, computer, conference, connected, corporate, crowd, dark, delegate, developer, digital, diversity, event, hall, inspiration, international, internet, knowledge, laptop, laugh, male, man, meeting, motivation, multiethnic, network, online, people, portrait, presentation, professional, seminar, skill, smile, social, speaker, speech, summit, tech, technology, training, visitor, workshop,