Ключевые слова: academic, audience, background, business, businessman, center, chair, coach, coaching, conference, congress, copyspace, corporate, education, entrepreneur, equipment, event, explaining, forum, hall, international, laptop, lecture, lecturer, male, man, manager, meeting, mic, microphone, people, person, podium, presentation, presenting, public, screen, seminar, sitting, speaker, speaking, speech, stage, talking, teaching, technology, training, university, unrecognizable, workshop,