Best Systems & security (other) Videos
The 3 Systems & security (other) videos here were recommended by different people across different months. Choose by who it is for: 0 introductory, 2 intermediate, 1 for a general viewer, and 0 for someone who wants the harder derivation. Most of them are a talk. What they share is that one speaker finishes a claim, and the examples exist to hold that claim up. Channels you will keep seeing include O'Reilly, Rocky Mountain IPv6 Taskforce, Sascha P.

Velocity 2010: James Hamilton, "Datacenter Infrastructure Innovation"
James Hamilton of AWS gives a Velocity 2010 keynote on datacenter infrastructure innovation, focused on power and cooling costs and a breakdown of where datacenter spending goes.

IPv6 Summit 2014: Wells Fargo adopting IPv6
Wells Fargo engineers walk through the bank's four-year IPv6 journey at the North American IPv6 Summit 2014.

Moving online webserver using public transport
A short video of five people carrying a live, running web server across the city by public transport to a new datacenter.