He is best known for his book Rebel Code: Linux and the Open Source Revolution (2001).
It describes the evolution and significance of the free software and open source movements with interviews of hackers.
[1] His writings have appeared in Wired,[2] Computer Weekly,[3] Linux Journal,[4] and Ars Technica.
[5] In 2009, he criticised the software education policy of the government of José Luís Rodríguez Zapatero on his blog.
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