Ключевые слова: audience, briefing, business, businessman, center, coaching, conference, congress, convention, cooperation, corporate, education, entrepreneur, entrepreneurship, event, explaining, gesturing, hall, information, institute, laptop, learn, lecture, listeners, man, manager, meeting, microphone, panoramic, participants, people, photo, podium, presentation, professional, public, rent, rostrum, screen, seminar, speaker, speech, study, summit, talk, technology, training, university, unrecognizable, workshop,