10+ deployments per day from Velocity 2009. It was really a pivotal talk in the early days of the DevOps movement

https://www.youtube.com/watch?v=LdOe18KhtT4

Fixing Twitter: Improving the Performance and Scalability of the World's Most Popular Micro-blogging Site by John Adams (then from Twitter)at Velocity 2009 (Velocity 2009 was really an incredibly pivotal and influential conference in the DevOps movement).

https://www.youtube.com/watch?v=9X_ed6GPofQ&t=26s

Bootstrapping an Infrastructure by Steve Traugott at Lisa 1998. I don't know of any videos of the talk, but the related paper eventually lead to Puppet and the beginning of the modern configuration management software

https://www.semanticscholar.org/paper/Bootstrapping-an-Infra...

There is no talent shortage by Andrew Schaefer, co-founder of Puppet from Velocity NYC 2013.

https://vimeo.com/75670082

(edited for consistant formatting)