Become a Top 1% Product Manager — in Minutes a Day

Dexter provides a comprehensive 52-week curriculum covering essential mental models and cognitive biases organized into categories:

1) Decision-Making (e.g. Second-Order Thinking, Bayesian Updating, Expected Value)

2) Product Strategy (e.g. Inversion, Chesterton's Fence, Lindy Effect)

3) Leadership (e.g. Hanlon's Razor, Tribal Signaling, Pygmalion Effect)

Each week builds upon previous concepts, creating a progressive learning journey that transforms how you think.

Most learning resources are passive—you consume them, forget 90% within a week, and move on. Courses and books also take a lot of time, with average completion rates under 10%. Dexter flips that model. Using proven learning science like spaced repetition, active recall, and personalization, Dexter helps you retain and apply what you learn. In just a few minutes a day, Dexter fits into your life and makes mental models stick, so they actually shape how you think and work.

Absolutely! It's not about the time spent, but about consistency and application. Dexter's method ensures you're practicing and applying concepts immediately in your real work, not just passively consuming information. Many PMs notice a difference in their decision-making clarity within the first two weeks. Small, consistent improvements add up over time.

While LLMs like ChatGPT are incredibly powerful, they’re not designed to help you actually retain and apply what you learn. Here’s why Dexter is better:

• 🧠 Curated Curriculum: Dexter teaches you one powerful mental model per week, reinforced through daily check-ins, follow-ups, and quizzes. LLMs give you one-shot answers with no follow-up.

• 🎯 Personalized to You: Dexter adapts each lesson to your background, profession, and interests which improves engagement and retention. LLMs require you to prompt them.

• 🤔 Built for Retention: Dexter uses proven techniques like active recall, elaborative rehearsal, and interleaving—methods scientifically shown to improve long-term memory. LLMs don’t structure learning this way.

• ⏳ Zero Setup Time: Dexter delivers short, focused lessons via SMS so you can learn in 5 minutes a day—eliminating the friction of initiating and organizing your own learning with an LLM.

ChatGPT gives you information. Dexter turns it into lasting knowledge.

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