Sam Rostami

Thinking Out Loud. 

  • Why My Football Simulator Has a Page Called “Honest Limits”
    Product Craft · 7 min read

    Why My Football Simulator Has a Page Called “Honest Limits”

    I built a what-if simulator for the 2026 World Cup knockouts. The part I'm proudest of isn't the 3D pitch. It's the page that shows every formula, credits every dataset, and says plainly what the model doesn't know.

    September 2026
  • Two Chrome Extensions, Zero Servers: What Privacy-First Actually Costs
    Building in Public · 6 min read

    Two Chrome Extensions, Zero Servers: What Privacy-First Actually Costs

    I published two extensions this year that store everything locally: no account, no backend, no analytics. Here's what that decision cost, what it bought, and why it's a product decision disguised as a technical one.

    August 2026

All Articles

  • I Turned a Startup Into a 12-Month Card Game to Understand Feedback Loops

    Product CraftJuly 2026
  • Building Solo With AI Coding Agents: What Still Needs a Product Manager

    AI & IndustryJune 2026
  • What Grant-Funded Product Delivery Actually Looks Like From the Inside

    Product DeliveryMay 2026
  • I Got Frustrated With Job Applications So I Built a Tool Instead

    Building in PublicMay 2026
  • The Generalist's Dilemma: When Being Good at Everything Counts Against You

    Career & IdentityApril 2026
  • Making Things Ship With a Distributed Team and No Formal Authority

    Team & DeliveryMarch 2026
  • AI Compliance Is Coming for UK SMEs, and Most of Them Don't Know It Yet

    AI & IndustryFebruary 2026
  • How I Learned to Write Product Specs That Actually Get Built

    Product CraftJanuary 2026