What Our Security Logs Revealed About a Product Problem
Repeated security alerts were actually hiding a shared-password management problem. A case study from Marion Livraison on turning a technical signal into a product insight.
June 17, 20262 min
Articles
16 articles
Why Our Users Identified the Problem… But Refused Our Solution
Identifying a user problem does not guarantee the adoption of your solution. A case study from Marion Livraison on the paradox between problem validation and resistance to change.
May 11, 20264 min
A Hundred User Interviews Later: the Lessons
Discover how interviews and listening to users are essential to identify real needs and create a product that meets field challenges.
April 14, 20263 min
My MVP pipeline: from idea to production in one commit
VS Code, Git, Coolify and Supabase — the stack I use to test ideas fast and ship to production without friction. Why I chose these tools, how they connect, and what this says about a way of working.
March 5, 20263 min
From 0 to 500 construction leads in one click: how we connected the SIRENE API to our CRM
How we automated qualified prospect imports into our CRM by combining France's official SIRENE business registry API with a Python script — and the traps we avoided along the way.
February 5, 20264 min
LeBonCoin: Why I'd Love to Permanently Hide Certain Listings
When saved searches become noisy because irrelevant listings keep coming back. One simple feature could change everything.
January 14, 20262 min
LeBonCoin: When Product Security Breaks the User Experience
A good security practice can become a real product problem when it fails to anticipate alternative scenarios. A look at a blocking flow on LeBonCoin.
December 10, 20253 min
Why I Chose This North Star Metric for Marion Livraison
In a construction delivery business, the North Star Metric isn't chosen the same way as at Spotify or Airbnb. A look at why I chose the on-time delivery rate within the promised window.
November 12, 20254 min
The Book That Helped Me Through My Transition: The Product Book
Discover how the book 'The Product Book' shaped my understanding of the Product Manager role and the three key elements that marked its impact.
October 7, 20253 min
Turning operational data into automated marketing
We already had all the data. We just needed to look at it differently.
September 16, 20252 min
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