The cognitive impact of coding agents

A fun thing about recording a podcast with a professional like Lenny Rachitsky is that his team know how to slice the resulting video up into TikTok-sized short form vertical videos. Here's one he shared on Twitter today which ended up attracting over 1.1m views! <video src="https://static.simonwillison.net/static/2026/cognitive-cost.mp4" poster="https://st