I did too. Learned a hell of a lot from them that's for sure, lol. Their Engineering team does a lot of, in my opinion, cool things and I really appreciate them taking the time to write about it.
The takedown on Heroku's dyno scaling was impressive. But also funny how they got themselves in that situation to begin with. If there's one thing about this world, RAP music will pay for $20k worth of Dyno's a month! Sad sad world.