I can sense your love for the Carbon plugin (to generate those beautiful code shots), but providing them as text would increase readability as well as helping lazy developers like me to copy and paste code easily.
Btw, great article!
It would be better if you stream this on a separate webpage or on ‘light’ music streaming service (maybe SoundCloud?).
This is because, YouTube loads lots of content and often bugs out RAM on cheaper devices (in my case, 400mb RAM is being used by the single tab! Whereas, Soundcloud is using only 150mb).