The MP4 file format is the file format that most websites use to store digital audio and video streams. The name is short for "MPEG -4". The MP4 file is often thought of as the evolution of the MP3 file format, with the MP4 format providing more functionality and flexibility. This is why many individuals prefer MP4 over MP3. MP4 files are often used to store digital media on computers, mobile devices and remote hard drives. The files commonly stored in this format include audio files, video files and pictures. Many of today's newer portable devices use the MP4 format to play movies and videos on the go. One such mobile device is the ever-popular iPod by Apple.
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