: Unedited "B-roll" of significant world events.
You will most commonly encounter this string in the metadata or filenames of news clips used by broadcasters and digital publishers. When researchers or editors look for "deep content" under this label, they are usually searching for: AP WLmp4
: Digital investigators sometimes use these specific filenames to trace the original source of a viral video to ensure it is authentic AP-verified content. : Unedited "B-roll" of significant world events