Jan’s Substack

Shipwrecker 8: Didn't complete the maths

Another case of satisficing: because the maths isn’t wrong or missing altogether, you think you're safe. As Charlie Munger would warn - you probably…

Apr 22 • 

Jan

Shipwrecker 7: Built for Everybody

Obviously avoidable, but some people are still doing it, here's why

Apr 17 • 

Jan

Shipwrecker 6: Failure to address failure

Is protecting vibes more important than your runway?

Apr 15 • 

Jan

Shipwrecker 5: Siloed evaluation

Commercial teams have spent a weeklong yoga retreat stripping down every tiny detail of what worked and didn’t work over last quarter’s marketing push…

Apr 10 • 

Jan

Shipwrecker 4: Not finding customers where they are

You say all the right things in the wrong room. Lifecycle Stage - Deliver Solution

Apr 10 • 

Jan

S3: Time spent uncorrected

Every piece of work you do is a prediction. The amount you find out how wrong you are scales with time you fuck around [Lifecycle Stage: Create…

Apr 4 • 

Jan

March 2025

S2: Solved for users but not choosers

You’ve found this amazing problem to solve for users who’d get huge value out of it, if only their bosses would let them use it. [Lifecycle Stage: Pick…

Mar 31 • 

Jan

Missed user constraints

Product Lifecycle Stage: Identify Problems

Mar 27 • 

Jan

February 2025

January 2025

December 2024