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Video is an electronic medium used for the recording, copying, playback, transmission, and display of moving visual images and pictures , with or without accompanying audio. Video technology was initially developed for live transmission and later expanded to include recording and storage through analog formats such as magnetic tape. Since the late 20th century, digital video has become the dominant form, enabling efficient compression, storage, editing, and distribution across broadcast television, physical media, and internet-based platforms. Advances in digital imaging, compression standards, and network infrastructure have significantly influenced media production, communication, entertainment, education, and information dissemination worldwide.