Ключевые слова: annual, audience, auditorium, briefing, business, business conference, businessman, coaching, company, conference, congress, convention, corporate, economic, education, forum, group, information, international, lecture, lecturer, manager, marketing, media event, meeting, men, participant, people, political, politics, presentation, presenter, professional, public, public speaker, public speaking, seminar, speaker, speaking, speech, symposium, teaching, training, unrecognizable person, women, workshop,