In many internet "lost media" or analog horror tropes, a file named "Post No.150.mp4" might represent:

This footage was recovered from the primary drive. It contains thirty seconds of static followed by a fixed shot of [Location]. At mark 0:42, the audio shifts. Do not attempt to synchronize the timestamps. “The light doesn't reach the corner anymore.” 3. Technical Metadata

Often hidden strings of Base64 code or Hexadecimal values that, when decoded, reveal a hidden message (e.g., "HELP ME").

If this is a request for the "text" contained within the metadata of such a file, it would typically include: 1080p / 720p (often degraded for effect). Encoding: H.264.

Since "Post No.150.mp4" is a specific identifier, it most likely refers to the following: 1. The Horror/Mystery Lore

A video that appears to be a normal vlog or archival footage but glitches to reveal something unsettling.

Post No.150.mp4 Date: [Redacted] Status: Archival Only