Ключевые слова: anonymous, attention, audience, auditorium, back view, blur, briefing, business, businesspeople, chair, conference, crowd, development, digital, economy, entrepreneur, event, faceless, group, hall, horizontal, indoors, lecture, listen, many, meeting, modern, participant, public, seat, seminar, sit, speaker, spectator, speech, stage, strategy, team, together, unrecognizable, video call,