The Data Letter

The Data Letter

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Your First Breeze
A Beginner’s Guide to Airflow DAGs
Oct 12 • 
Hodman Murad
16
2
From Data Lineage to Data Observability
Building Systems That Understand Their Own Health
Oct 8 • 
Hodman Murad
16
Understanding Data Lineage
The Foundation and Its Cracks
Oct 5 • 
Hodman Murad
20
4
A Proactive Framework for Reliable Data
A Data Quality Index (DQI) tells you when you’re on fire. It doesn’t fireproof the building.
Oct 1 • 
Hodman Murad
6

September 2025

Data Quality is a Spectrum, Not a Switch.
Let’s Talk About Scoring It.
Sep 28 • 
Hodman Murad
13
Your Data Catalog is a Ghost Town
The playbook I used to fix this for Mars, Inc. (and how you can use it too)
Sep 24 • 
Hodman Murad
16
The Single Source of Truth is a Myth
Get your Silo Mapping Workshop Kit
Sep 17 • 
Hodman Murad
19
Bad Data’s Hidden Toll
How to Calculate Your Data Debt
Sep 10 • 
Hodman Murad
25
AI Was Tasked with Growth
It Optimized Away Their Best Customers
Sep 3 • 
Hodman Murad
23

August 2025

Our AI Convinced Us We Had a Million New Users
We Didn’t
Aug 24 • 
Hodman Murad
27
The $12M Snowblower Crisis
A Case Study in Why AI Rigor Outlasts AI Hype
Aug 17 • 
Hodman Murad
20
🗳️ Pick Our Next Series (Free Cheat Sheet for Voters)
I need your help deciding the next 3-post series for The Data Letter. Vote below. All participants get a free 5-Minute Data Quality Audit PDF.
Aug 6 • 
Hodman Murad
18
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