Ключевые слова: audience, background, briefing, business, businessman, center, chair, coach, coaching, company, conference, congress, convention, copyspace, corporate, device, education, educator, entrepreneurship, executive, giving, hall, information, knowledge, laptop, lecture, male, manager, meeting, motivation, people, podium, presentation, professional, public, screen, seminar, share, sitting, speaker, speaking, speech, summit, talk, teaching, technology, training, unrecognizable, work, workshop,