Revisiting the cathedral/bazaar 20 years later, what's changed, and what the future might hold for producers of open source software. From a Strange Loop keynote, September 30 2017. (Video of talk: https://www.youtube.com/watch?v=VS6IpvTWwkQ) FOOTNOTES: Slide 7: https://nolanlawson.com/2017/03/05/what-it-feels-like-to-be-an-open-source-maintainer/ Slide 9: SourceForge stat, The Success of Open Source (book). GitHub stat, https://github.com/blog/2345-celebrating-nine-years-of-github-with-an-anniversary-sale Slide 10: Netscape stat, The Success of Open Source (book). lodash stat, npm. Slide 11: https://peerj.com/preprints/1233.pdf Slide 12: https://www.blackducksoftware.com/about/news-events/releases/78-companies-run-open-source-yet-lack-formal-policies Slide 13: https://opensourcesurvey.org Slide 14: http://www.zdnet.com/article/equifax-blames-open-source-software-for-its-record-breaking-security-breach/ Slide 15: http://marriedtotheseacomics.com/post/103884129802/stop-hitting-yourself-from-married-to-the-sea Slide 25: Headlines: http://www.zdnet.com/article/ballmer-i-may-have-called-linux-a-cancer-but-now-i-love-it/ and https://www.theregister.co.uk/2001/06/02/ballmer_linux_is_a_cancer/ Slide 27: https://archive.org/stream/CathedralAndTheBazaar/cathedral-bazaar_djvu.txt Slide 29: http://www.commitstrip.com/en/2014/05/07/the-truth-behind-open-source-apps/ Slide 30: http://npmbynumbers.bocoup.com/ Slide 34: https://twitter.com/sindresorhus/status/806937150575017984 Slides 36, 37, 38: http://gustavopinto.org/lost+found/saner2016.pdf Slide 44: https://medium.com/@FEhrsam/funding-the-evolution-of-blockchains-87d160988481 Slide 45: https://www.bloomberg.com/news/articles/2011-04-14/this-tech-bubble-is-different Slide 49: https://babeljs.io/blog/2017/09/12/planning-for-7.0