Ключевые слова: 4k, browser, business, business term, close up, computer, concept, conference, danger, dangerous, digital, fast, finance, glass, guide, hd, hologram, illustrating, indoor, infographics, internet, man, office, online, presentation, problem, professor, room, screen, security, surface, teacher, technology, term, terms, transparent, trouble, warn, warning, web, website, word, written,