Ключевые слова: adult, audience, board, business, businessman, community, conference, convention, corporate, crowd, diverse, education, employee, event, group, hall, happy, large, leader, leadership, learning, lecture, listening, manager, meeting, men, motivation, multiethnic, office, people, person, podium, presentation, professional, public, question, room, seminar, speaker, speech, staff, study, team, trainer, training, women, worker, workshop, young,