Ключевые слова: anonymous, audience, auditorium, back view, blur, business, businessman, coach, conference, contemporary, convention, corporate, course, economy, education, entrepreneur, explain, faceless, financial, forum, hall, horizontal, indoors, lecture, listen, male, manager, marketing, meeting, modern, online, opinion, participant, phygital, presentation, public, report, seminar, soft focus, speaker, speech, strategy, unrecognizable, video call,