Visualizations of Continuous Delivery - Continuous Delivery
continuousdelivery.com/2014/02/visualizations-of-continuous-delivery
From the page
Saved with the link. Notes from 2007 to 2016 are mostly the page's own words, so this is probably an excerpt.
Nhan Ngo, a QA engineer at Spotify, made four fabulous visualizations while reading Continuous Delivery.