Notes on commercial first principles for apps, ad networks, and digital products. New pieces arrive sporadically and only when they're worth reading.
Most products celebrate milestones. The best ones design moments where users earn the next level.
When markets get harder, the instinct is to add more channels. But more channels don't just add inventory — they dilute signal until you're reconciling data instead of making decisions.
Every product has a ceiling past which it can't scale. The only way to find it is to push against it deliberately.
The mistake isn't which tool you pick. It's skipping the question of which workflow deserves the first pick.
Most teams design features. They're actually designing exchange rates — whether they know it or not.
Soft-launch metrics can be green for the wrong reasons. The question isn't whether the numbers are healthy — it's what made them healthy.
Most AI products have a wow moment. Very few have a reason to come back tomorrow.
Most live games don't collapse suddenly. They accumulate event debt — until a normal Tuesday exposes it.
Why North Star frameworks quietly produce the wrong roadmap, and the cheap fix.
Top-spending users aren't a species. They're a stage. The taxonomy is costing you product decisions.
What I check in a target's investment deck before reviewing anything else — the flags that decide if deeper diligence is worth the time.
Most teams under-experiment on pricing and over-experiment on copy. Here's the heuristic I use.