Understanding GPL (paper and book)

[JuanPi]

Due to this paper (which I find meh...)
https://arxiv.org/abs/1609.00037

I found this book which you all probably know (is reference [14] in the paper)
http://www.oreilly.com/openbook/osfreesoft/book/

Comments on the book (and what the paper says about GPL)?

I personally find that the book describe the good things about GPL,
maybe in a language that make it sound as the bad things. While the
paper missed the point...

Cheers

-- 
JuanPi Carbajal
Public GnuPG key: 9C5B72BF
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"Why is thought, being a secretion of the brain, more wonderful than
gravity, a property of matter?"
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