https://www.reddit.com/r/javascript/comments/8lih82/javascript_operator_causing_race_conditions_when/ - original Reddit discussion. The post has been deleted. No idea why.
https://www.youtube.com/watch?v=cCOL7MC4Pl0 - my event loop talk, which includes how microtasks work.
https://twitter.com/jaffathecake/status/999269332889763840 - Twitter quiz thread.
