Collection of thinking tools and frameworks to help you solve problems, make decisions and understand systems.

Copytesting is an audience research tool focused on website copy. It tells you what your target audience thinks of your website copy, gives you quantified data on where your copy falls short, and why. So you could fix it, and improve your conversion rate.

Mental Models: this is an attempt to make powerful thinking tools available to anyone. 💜 Discover popular mental models, practice applying them, and use them to think through everyday problems.