Found in 4 comments on Hacker News
minikites · 2013-11-26 · Original thread
This is a great book on the subject: http://www.amazon.com/Quiet-Power-Introverts-World-Talking/d...

Introversion and extroversion have nothing to do with shyness or how outgoing you are. It has to do with where you derive energy and I disagree with the author of the linked article that introverts just need to practice social interaction. As the book points out, introversion and extroversion can be determined very early in life, she mentions a study where infants who were more reactive to stimulus turned out to be introverts and infants who were chill turned out to be extroverts:

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“The four-month-olds who thrashed their arms like punk rockers did so not because they were extroverts in the making, but because their little bodies reacted strongly—they were “high-reactive”—to new sights, sounds, and smells,” Cain writes. “The quiet infants were silent not because they were future introverts—just the opposite—but because they had nervous systems that were unmoved by novelty.” These “high-reactive” babies grow up to be children who need a lot of time to decompress after school, need time alone to be creative and explore. They are introverts, not anti-social, Cain explains. There is a big difference.

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greenyoda · 2013-08-13 · Original thread
This isn't directly related to your question about jobs, but Susan Cain (an introvert herself) has some interesting insights into how introverts fit in to a culture that's biased toward extroverts.

Here's her TED talk from 2012 (19 min.):

http://www.ted.com/talks/susan_cain_the_power_of_introverts....

If you like that, you might enjoy her book on introverts:

http://www.amazon.com/Quiet-Power-Introverts-World-Talking/d...

minikites · 2013-06-24 · Original thread
That's understandable. I read this book: http://www.amazon.com/Quiet-Power-Introverts-World-Talking/d... and I felt a lot less guilty after more thoroughly understanding myself and what introversion is (not necessarily the same as misanthropy or social anxiety)
mlwarren · 2013-06-12 · Original thread
Quiet: The Power of Introverts really opened my eyes to the fact that other people feel the way I do and that it's alright to be "introverted". I highly recommend it if you haven't read it and this type of subject matter is enjoyable for you.

(non-affil link) http://www.amazon.com/Quiet-Power-Introverts-World-Talking/d...