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The Creepiest Internet Mysteries That Were Finally Solved (Pt.4): summary

The Creepiest Internet Mysteries That Were Finally Solved (Pt.4)
- 11B-X-1371 arrived on a disc sent to a Swedish tech blog in 2015.
- It hid images and coded messages in its frames and audio.
- Webdriver Torso posted far too often for a human.
- A blogger traced it to a network in Switzerland.
- Google admitted in 2014 it was an automated test.
What were 11B-X-1371 and Webdriver Torso really?
11B-X-1371 was a creepy plague doctor video packed with hidden messages that sparked wild theories. Webdriver Torso was a channel posting thousands of odd shape videos, which turned out to be a Google Zurich testing tool for video quality.
Actionable
- Check upload patterns when a channel seems strange.
- Look for the boring explanation before the spooky one.
- Watch earlier parts of the series for more cases.
Lessons
- Volume can reveal automation.
- Hidden messages attract big theories.
- Simple data trails crack mysteries.
Quick answer
The Paint Explainer posted this video on May 13, 2026. Here's our summary in our own words: the answer to the title, a verdict, 5 takeaways, and Actionable and Lessons tabs.
What 125x is: 125x is a web app at 125x.app. You connect your YouTube subscriptions, and it gives you a feed of the latest videos from the channels you follow, each with a summary: a verdict, the 5 key takeaways, and the spoiler, plus Actionable and Lessons tabs with more tips. You read that and decide what's actually worth opening.
Open 125xWatch the video
Watch on YouTube: The Creepiest Internet Mysteries That Were Finally Solved (Pt.4)
Channel: The Paint Explainer. Published May 13, 2026. About 13 minutes.
What they recommend
Plenty of scary internet puzzles end as art projects or engineering tests.
Quotes from the video
- “Webdriver Torso was just an automated testing tool used by the company engineers.”
- “The video was titled with a confusing code, 11BX1371.”
A note on this summary
This page reports what the video says, in our own words. Quotes are copied word for word from the video's transcript. Views are as of Oct 30, 2026.
How 125x does this for your feed
This page is one sample of what 125x does for every video in your feed. 125x pulls in your YouTube subscriptions automatically, so there's nothing to set up. Each new video gets a watch, skim or skip verdict, 5 takeaways, the answer to the clickbait title, and Actionable and Lessons tabs.
View your YouTube feed at 125x speed. YouTube summaries of every video in your feed.
FAQ: questions people ask
What was Webdriver Torso?
An automated Google testing tool, per the video.
Where did 11B-X-1371 appear?
On a disc mailed to a Swedish tech blog.
Is it worth watching?
Some value given. Short and tidy.
Related guides
- True Crime YouTube Video Summaries
- Documentaries Summaries: Verdicts and Takeaways
- YouTube Video Summaries by Topic and Format
- Every 125x guide
125x is a web app at 125x.app that turns your YouTube subscriptions into a feed with a summary on every video, plus Actionable and Lessons tabs with more tips, so you can see what's worth opening before you spend the time.
125x is made by Blake Labs Inc. 125x is not made by YouTube or Google.