Deep-sea ROV footage showing a creature with incredibly long, spindly, "elbowed" tentacles that look alien and unnatural.

It is arguably the most effective "real-life horror" footage from the ocean. Its stillness and bizarre anatomy make it a staple of internet mysteries. 2. Squid Proxy Server Logs (Technical)

In technical communities, "squid" refers to a popular .

As a tool, it is highly efficient for enterprise traffic management, though it is being phased out in some modern firewall setups like pfSense. 3. Squid: Take Notes (App Review)

Often used in "unsettling" or "found footage" compilations on platforms like TikTok and YouTube due to its eerie, ghostly appearance.

Files like squid_mp4 often appear in discussions about monitoring users who download large video files (MP4s) that clog network bandwidth.

There is a highly-rated Android app called used for handwritten notes and PDF markups.