Ключевые слова: attentive audience, audience, auditorium, blue, business, business conference, career, communication, conference, conference hall, corporate, corporate event, crowd, discussion, education, engaged, event, executive, expert, formal, indoor, leadership, learning, lighting, listeners, meeting, men, microphone, motivation, networking, presentation, professional, professional speaker, public speaking, seats, seminar, speaker, speech, stage, strategy, suit, team, technology, training, woman, workshop,