Turn signals are the facial expressions of automobiles

What Hacker News says

1. jonahFeb 2012
   Donald Norman's The Design of Everyday Things [1] and Turn Signals Are the Facial Expressions of Automobiles [2] are must-read classics about human interfaces in both physical and "computer" realms.

   [1] http://www.jnd.org/books.html#33 [2] http://www.jnd.org/books.html#34

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2. wpietriNov 2018
   > pedestrian on the corner next to a stop sign causes them to pause in the middle of the intersection for an uncomfortable amount of time

   This is a really interesting point to me, and I think it's one of the major weak points for self-driving cars: they have to pass a kind of Turing test.

   You have a good example of something we do all the time when driving: try to read the mind of the driver. Don Norman wrote a book titled, "Turn Signals are the Facial Expressions of Automobiles", but it goes well beyond that. We use the "body language" of driving to infer driver intent.

   I think the best short-term case is that people make excuses for the dumb robot as you do here. But a very plausible outcome is that we get an "uncanny valley" effect for robot cars where people resent and are creeped out by something pretending to be human but falling short.

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3. raganwaldNov 2009
   And the amusingly titled but provocative Turn Signals Are The Facial Expressions Of Automobiles.
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