: By including the date (YYYYMMDD) and time (HHMMSS) in the filename, your computer or phone can instantly sort thousands of files in the exact order they were taken without needing to read complex metadata.
: Services like Google Photos or Samsung Cloud use these timestamps to generate "On this day" memories or automatically group videos into event albums. VID 20210106 233041 mp4
While the specific content of your video is private to your device, this naming convention itself is part of a found in modern gallery apps: : By including the date (YYYYMMDD) and time