Re-upload of a video that got removed from youtube .
I like to keep meticulous record of the lectures I watch
so that I can reference them as sources .
I don't like being that guy who just says "I heard somewhere on the internet" or "they say "...
THEY WHO /B/I/T/C/H/ !?!?
Kevlin Henney , CIRCA 2016 , THATS WHO .