Ключевые слова: abstract, attending, audience, background, blur, blurred, blurry, bokeh, business, classroom, concept, conference, convention, corporate, defocus, defocused, education, event, events, exhibition, fair, female, hall, happy, lecture, life, lifestyle, light, meeting, modern, opening, party, people, person, presentation, press, restaurant, room, seminar, show, silhouettes, sociability, social, trade, tradeshow, unrecognizable, women,