Ключевые слова: analysis, anonymous, attention, audience, auditorium, blur, briefing, business, businessman, chair, chart, conference, contemporary, convention, course, crowd, data, development, economy, education, entrepreneur, event, explain, faceless, financial, forum, graph, hall, information, innovation, learn, lecture, lesson, listen, meeting, modern, participant, people, presentation, public, seat, seminar, speaker, speech, stage, statistic, strategy, team, unrecognizable, vertical,