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New York Subway Signs

Yosef Lerner
Demos
YouTube
1 HN user recommended this demo1 month2017–2020 score 1
Years with an HN recommendation, 2007–2026

It is linked in threads on pointing-and-calling and error prevention as a light illustration of the practice.

A short social experiment video in which people mimic the New York subway practice of workers pointing at signs and signals. It makes the point cheerfully.

“Here's a video of people having a bit of fun with it.” (HN, 2019)

1 recommendations · 3 citations · Demos

4 Hacker News comments

From the HN archive; up to 20 kept per video, favoring different commenters. Recommendations first.

Citations, criticism and jokes

@gowld Sep 2018 Cites it
on HN thread Poka-yoke
A NYC-via-Japan subway practice is another nice example: [link] which led to this delightful friendly prank: [this video] More examples of the narrow and broader meaning: [link] But these aren't great examples because they don't capture the important aspect of an automated system detecting and reacting to an operator violating the process protocol.

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