Any discussion of practicing mental models must begin with a discussion of rationality. We look at what the research tells us about it.

There has been an uptick in self-help books and blogs about mental models. But, there's a problem when putting it in practice.

Introducing the perceptual exposure playlist — a first attempt at putting perceptual learning to practice.

Perceptual exposure is the rare learning technique that allows you to learn tacit knowledge — that is, knowledge that can't be communicated. And it begins with a simple question: how do you tell if a chick is male or female?

Ken Kocienda's book is about how Apple builds software in the time of Steve Jobs. Highly recommended, especially if you're a software engineer.

A summary of everything I know on the topic of building career moats.

Commonplace is shifting to a 'at least once a week' posting schedule, instead of twice weekly. Here's why.

Regret minimisation is often in direct conflict with optimising for career outcomes. A short reflection.

The mental model fallacy is that it’s worth it to read descriptions of mental models, written and aggregated by non-practitioners, in the pursuit of self-improvement and success. It isn't.

If Seymour Papert was right about how humans learn — what does it mean for learning mental models for our careers?