The MVP Event Horizon: When Your Prototype Goes Critical
Every MVP has an event horizon: the point where people start depending on it. You won't feel yourself cross it - you'll find out when you try to back out.
💌 Tiny Improvements
Mike
Bifulco
💌 Tiny Improvements
My weekly newsletter for product builders. It's a single, tiny idea to help you build better products. Join
Once a week, straight from me to you. 😘 Unsubscribe anytime.
Lately
The Operator Problem: What Startups Face After the MVP
Every tutorial teaches you to get started. Almost none teach you what to do once your startup depends on what you built - like the day a hidden Twilio limit silently cut off our busiest support rep.
💌 Tiny Improvements
Your LLM doesn't know what day it is: date handling for AI tool calls
If you're building AI features into your product, your model has no idea what day it is - and it will confidently guess. Here's how to fix it.
Article
Why your prompt cache hit rate is zero: the silent invalidators
Prompt caching is a prefix match: one changing byte near the top of your prompt drops your hit rate to zero. A timestamp is the obvious culprit - here are the rest.
Article
The Strangler Fig Pattern: Rebuild Everything, without losing your mind
When your prototype becomes the product your business depends on, you can't just start over. Here's how the Strangler Fig pattern let us rebuild safely.
💌 Tiny Improvements
Cognitive Debt and the Cost of Staying Wrong
Being wrong is unavoidable. The real damage comes from allowing a bad assumption to shape everything you build on top of it.
💌 Tiny Improvements
You are not your user. Except when you are.
"You are not your user" is fundamentally good advice. It's also occasionally wrong, but in a very useful way.
💌 Tiny Improvements
CSS Tips Part 2 - text-wrap: pretty will make your text feel intentional
Go beyond balance. Learn how text-wrap: pretty improves readability, reduces awkward breaks, and makes your UI feel more polished.
Article
Dunning-Kruger for Vibe Coders
The first thing AI teaches you about coding is confidence. The second is why that's a problem. Let's talk about the Dunning-Kruger effect.
💌 Tiny Improvements
Lessons I Learned the Hard Way
Your brain rewires itself based on what you practice. If you stop practicing hard things, you slowly lose the ability to do them.
💌 Tiny Improvements
Learn to Love the Rebuild
Refactoring isn't a necessary evil -- it is the job. Why the best product teams rebuild constantly, at every scale.
💌 Tiny Improvements