There’s a lot of articles for people who love Crossfit, as well as articles for it. This is one of the anti-Crossfit ones that I read. Anyway, when you watch the video above you can certainly see how the emphasis on going hard and fast can lead people to slack off on form, leading to injury.
Edgar Wright - How to Do Visual Comedy from Tony Zhou on Vimeo.
Possibly useful for anyone who wants a quick overview of the language’s syntax and doesn’t want to read through a bunch of lengthy blog posts to get it. Link: Swift cheat sheet