[ryanchoi]

In 2016 people analyzed a bunch of fiction and these trajectories showed up:

https://arxiv.org/abs/1606.07772

Articles about:

https://www.technologyreview.com/s/601848/data-mining-reveal...

https://www.theatlantic.com/technology/archive/2016/07/the-s...

[pfd1986]

Is that the same idea behind Campbell's "The Power of the Myth"?

https://en.m.wikipedia.org/wiki/The_Power_of_Myth

[beautifulfreak]

The arxiv paper holds a link to the hedonometer, where all books in Project Gutenberg have been mapped. http://hedonometer.org/books/v3/1524/

[jonnydubowsky]

I love the "per word happiness shift". I could totally see an ill-conceived startup offering a quantified self analysis tool... "with our handy all-day surveillance via your phone, we will analyze every word said by or to you and help you understand your per-word happiness shift!".