Ключевые слова: 1, 2, background, banner, business, businessman, call, caucasian, chat, computer, conference, convertible, copy, digital, elearning, gesture, hold, hybrid, laptop, learning, male, man, meet, meeting, men, office, online, panoramic, presentation, screen, side, sign, space, tablet, victory, video, videoconference, videoconferencing, watching, webinar, won, work, young,