Truly valuable content! This got 1.4k points so far (and counting) for a reason. I have read the full four chapters in one shot, until I hit Go build something vanilla!. I'm definitely bookmarking it.

Also, at the beginning of the first chapter, I read:

> In theory it's possible to extend other classes.. but in practice this doesn't work yet in Safari.

And was like, Ugh! It's always Safari that ruins the party!