proactive AI agent
What Is a Proactive AI Agent? A 2026 Definition & Guide
A proactive AI agent observes your context and surfaces work before you ask. Learn how it differs from reactive AI, why noise is the hard problem, and the
Spencer Shulem
book recommendations
If The Mom Test Changed How You Talk to Users, Read These Next
Seven short, blunt product books for people who loved The Mom Test — customer interviews, discovery, and behavior, with no filler.
product-psychology
The Best Books on Product Psychology
The books that explain why users behave the way they do — not process, not frameworks. Kahneman, Ariely, Cialdini, Norman, and the rest, with a quote and an honest drawback for each.
books like the alchemist
If You Loved The Alchemist, Read These Next
Eight short, parable-shaped books that give you the same feeling as The Alchemist — a life lesson that arrives as a story, not a sermon.
product theory
The Cobra Effect: Why Your Best Metric Might Be Breeding Snakes
Every incentive creates a game. The Cobra Effect is what happens when it's not the game you wanted—and why your best-looking metric might be the one breeding snakes.
product theory
The IKEA Effect: Why Users Love the Ugly Thing They Made
People value what they build far beyond its objective worth. The best products don't just get used — they get built on. Here's how to design for it.
wisdom
The Empty Cup: Why You Can't Learn With a Full One
A distinguished professor watched a Zen master pour tea until it spilled across the floor. The lesson still lands: you can't fill a cup that's already full.
product theory
Hedonic Stockholm Syndrome: Why Users Cling to Products They Hate
People don't stay in bad situations because they can't see better options. They stay because their brain protects the known from the threat of the unknown.
conways-law
Conway's Law: Why Your App Feels Like Three Different Companies
The seams in your product are copies of the seams in your org chart. That's not a metaphor — it's Conway's Law, and it predicts what your app feels like to use.
words
3 Stories to Read When You Have to Choose
Three old stories about choosing well: the crossroads, the strawberry on the cliff, and the woman carried across the mud. What they teach about the moment of decision.
mental models
Mental Models for Product Managers: 12 That Actually Change Decisions
Most product decisions go wrong for reasons that already have names. Here are 12 mental models — what each one is, a concrete product example, and when it quietly lies to you.
pricing
Charm Pricing: Why the Last Digit Is Positioning, Not Math
Everyone knows the $9.99 trick. Everyone still falls for it. Here's why the last digit of your price is a positioning decision, not a math one.