If you are looking for a blog post related to a video with this name, it most likely falls into one of these categories:
What is the of the video (e.g., a tutorial, a travel vlog, or a technical bug)? _21-01-23_mp4
Are you trying to this video or find a download link? If you are looking for a blog post
did you see this filename (e.g., a specific website or a social media bio)? While there is no single "viral" blog post
While there is no single "viral" blog post specifically titled with this exact filename, files named with date stamps are frequently used as in tutorials or troubleshooting guides for blog platforms. Common Contexts for this Filename
: Personal blogs, such as those on MIT Admissions , often use date-stamped video files to document specific events or student life milestones. How to Use MP4s in Your Blog