Ключевые слова: attention, audience, auditorium, blue, blur, business, businesspeople, career, communication, conference, conference hall, convention, corporate, corporate event, crowd, development, discussion, education, engaged, event, expert, female, forum, indoor, knowledge, leadership, learning, lecture, management, meeting, men, motivation, networking, participant, presentation, presentation screen, professional, public speaking, seminar, smartphones, speaker, stage, strategy, success, suit, technology, training, woman, workshop,