* Martin’s talk on protocols (https://www.youtube.com/watch?v=A5ovSBt0-C0) from J on the Beach

* Mechanical sympathy:

* https://mechanical-sympathy.blogspot.com/2011/07/why-mechanical-sympathy.html (https://mechanical-sympathy.blogspot.com/2011/07/why-mechanical-sympathy.html)

* https://groups.google.com/forum/#!forum/mechanical-sympathy (https://groups.google.com/forum/#!forum/mechanical-sympathy)

* https://dzone.com/articles/mechanical-sympathy (https://dzone.com/articles/mechanical-sympathy)

* Universal Scalability Law, Queuing theory, Little’s Law

* http://www.perfdynamics.com/Manifesto/USLscalability.html (http://www.perfdynamics.com/Manifesto/USLscalability.html)

* https://blog.acolyer.org/2015/04/29/applying-the-universal-scalability-law-to-organisations/ (https://blog.acolyer.org/2015/04/29/applying-the-universal-scalability-law-to-organisations/)

* https://www.infoq.com/presentations/little-usl-scalability-performance/ (https://www.infoq.com/presentations/little-usl-scalability-performance/)

* http://perfdynamics.blogspot.com/2014/07/a-little-triplet.html (http://perfdynamics.blogspot.com/2014/07/a-little-triplet.html)

* http://www.vissinc.com/2012/09/07/littles-law-isnt-it-a-linear-relationship/ (http://www.vissinc.com/2012/09/07/littles-law-isnt-it-a-linear-relationship/)

* https://medium.com/@__bbak/dont-be-fooled-by-littles-law-18e18dba3717 (https://medium.com/@__bbak/dont-be-fooled-by-littles-law-18e18dba3717)

* Florence Nightingale (https://www.kopisusa.com/florence-nightingale-pie-charts-birth-bi/) and Pie Charts

* Dijkstra on the radical novelty of software (https://www.cs.utexas.edu/~EWD/transcriptions/EWD10xx/EWD1036.html)

* Image credit: Ylva, Ebba, and Kashti Grimm

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