10,000 Hours of Play by OP Hero: Sam Walton
Sam Walton lost his first store to a lease he couldn't renew, then built the largest retailer in…
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The Blog
Ideas on motivation, behavior & design.
Deep dives on the psychology behind why people do what they do — from Yu-kai Chou, creator of the Octalysis Framework. Pick the topic that matters to you.
Baddeley’s Working Memory Model: S-Tier Behavioral Designer’s Guide
Short answer: Baddeley’s working memory model describes the mental workspace where you hold and manipulate information for a…
10,000 Hours of Play by OP Hero: Billie Jean King
Billie Jean King won 39 Grand Slams, then used every trophy as leverage to win equal pay and…
Misinformation Effect: S-Tier Behavioral Designer’s Guide
In 1974, Elizabeth Loftus showed people a film of a car accident and then asked them a single…
10,000 Hours of Play by OP Hero: Bob Marley
Bob Marley played through an assassination attempt and united a divided nation with a song — his life…
Nationcraft Analysis: Ethiopia Nobel Trap 2026
Ethiopia's 18-variable Nationcraft profile after the June 1 election: why the 2019 Nobel labelled Abiy with a reformer…
10,000 Hours of Play by OP Hero: Mark Twain
Mark Twain ran his life like an RPG: pilot, author, bankrupt, then a world-touring comeback. His OP Hero…