[sp332]

Completely relevant https://xkcd.com/657/ Edit: This is completely on-topic, why the downvotes?

Edit2: originally said "obligatory" but maybe that's too meme-ish for HN.

[Cushman]

Didn't downvote you, but generally speaking people on HN prefer comments which are insightful and implicitly constructive, and not well-known links reposted out of some weird sense of non-existent internet obligation.

[throwaway1972]

Maybe you should have linked to an actually useful attempt at breaking down the very complex timeline of primer:

http://www.screened.com/primer/16-61068/all-images/132-63755...