Ключевые слова: african american, attractive, business, businessmen, businesspeople, businesswoman, caucasian, colleagues, computers, conference, corporate, devices, education, equipment, female, film, gesture, gesturing, handsome, have fun, leisure, male, men, modern, motion picture projector, movie projector, multicultural people, multiethnic, nighttime, objects, office, people, presentation, pretty, projection, projector, screen, shadow play, shadows, showing, signs, spending time, symbols, team, teamwork, technology, thumbs up, video, woman, work, young, young adult,