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 * [Anita Buehrle](https://www.weave.works/blog/delivering-quality-at-speed-with-gitops) - (2019) Delivering Quality at Speed With GitOps
 * [Eero Laukkanena & Juha Itkonena & Casper Lassenius](https://www.sciencedirect.com/science/article/pii/S0950584916302324) - (2015) Problems, causes and solutions when adopting continuous delivery - A systematic literature review
 > When adopting continuous delivery, problems related to system design are common, critical and little studied. The found problems, causes and solutions can be used to solve problems when adopting continuous delivery in practice.
+* [Redbubble](https://www.redbubble.com/shop/devops+stickers) - DevOps stickers
 
 ## Ansible
 * [Ansible](https://www.ansible.com/blog) - Ansible Blog
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 * [Literate programming](http://www.literateprogramming.com/) - is a programming paradigm introduced by Donald Knuth in which a program is given as an explanation of the program logic in a natural language, such as English, interspersed with snippets of macros and traditional source code, from which a compilable source code can be generated.
 * [Literate programming links](http://www.literateprogramming.com/links.html) - articles about literate programming
 * [1x Engineer](https://1x.engineer/) - a non-exhaustive list of what qualities make up a 1x engineer.
+* [Redbubble](https://www.redbubble.com/shop/devops+stickers) - DevOps stickers
 
 ## API
 * [Adam DuVander](https://www.programmableweb.com/news/top-10-api-worst-practices/2012/08/03) - (2012) Top 10 API Worst Practices