Ключевые слова: attendees, audience, audience engagement, auditorium, blue light, business, business event, business meeting, career, communication, conference, conference attendees, conference room, corporate, corporate audience, corporate event, corporate training, crowd, development, discussion, education, engagement, event, focus, group, indoor, interacting, interest, knowledge, learning, lecture, listening, meeting, men, networking, note taking, participants, people, presentation, professional, seated, seminar, session, speaker, training, woman, workshop,