That link is an article I really, really wish I'd read while learning how to drive, and is something I'll teach my kid before he starts riding a bike with traffic. I hadn't seen it before, so thanks.
That and the Dutch(?) bike-safety trick [0] are minimal effort life hacks I got from HN.
[0] In urban/bike areas, always open a car door with your opposite hand (e.g. driver's side with right hand). It forces you to turn your body, which allows you to look behind you, which lets you notice bikers approaching from behind before you open the door and splat them.
