Why Web Filters Don't Work: Penistone and the Scunthorpe Problem

Tom Scott2 HN recommenders · 2017–2026
3.6M views · explainer · evergreen · Uploaded 2016-06-06

Tom Scott visits Penistone to explain the Scunthorpe problem, showing why naive web and profanity filters block innocent words.

The go-to explainer whenever content filters wrongly flag innocent words, well made and short.

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4 comments from Hacker News

@colemannugent2017 · in “Scunthorpe Problem”

Tom Scott did a video on this: Why Web Filters Don't Work: Penistone and the Scunthorpe Problem - [VIDEO] It's well done, like the rest of his content.

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@thepete22020 · in “Scunthorpe Sans – a self-censoring font”

There is a video [0] about this censoring-"problem" by Youtuber Tom Scott. He talks about how it's impossible to implement with all edge-cases, easy to circumvent and thus usually not a good idea. Fittingly, the video is filmed in Peniston. [0] [VIDEO]

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@Crosseye_Jack2021 · in “Tweeting “Memphis” autolocks your Twitter account”

Penistone and Scunthorpe and now Memphis. [VIDEO] As much as I dislike Twitter (I only really use it for work reasons) they are in a no win situation. They either moderate what people post with a flawed system that will never be 100% or be hounded by the "Why won't anyone think of the children" group.

@varun_ch2026 · in “Guiding Ships with Moire Patterns”

With Tom Scott in particular, there’s a number of his videos that are kinda eerie to watch now with today’s LLM context eg. [VIDEO]