Our journalism is actionable and drives real-world impact. Explore our investigations, tools, and blueprints to see how.
Life-saving liver transplants have plummeted in some Southern and Midwestern states with higher death rates from liver disease, while New York and California have made big gains
Investigation: How a Group of Health Executives Transformed the Liver Transplant System
Show Your Work: How We Investigated UNOS’s Liver Allocation Policy
Our investigations use data-driven journalism and our own engineering expertise to reveal the hidden impacts of how tech is used.
An investigation by The Markup found racial disparities in L.A.’s intake system for unhoused people
Show Your Work: How We Investigated L.A.’s Homelessness Scoring System
Story Recipe: Journalists: Investigate Homeless Vulnerability Scoring in Your City
When you use supermarket discount cards, you are sharing much more than what is in your cart—and grocery chains like Kroger are reaping huge profits selling this data to brands and advertisers
Newsletter: Help Make Everyone Cool It with the Data Collection (Starting with Kroger)
An investigation by The Markup and STAT found 49 out of 50 telehealth websites sharing health data via Big Tech’s tracking tools
Update: The FTC Is Taking on Telehealth's Data Sharing Problem—Starting with GoodRx
Our tools hold institutions accountable for the way they use technology, pulling back the curtain so readers can see for themselves how technology affects them.
Easily sample random U.S. street addresses using this new tool from Big Local News and The Markup
Investigation: Dollars to Megabits, You May Be Paying 400 Times As Much As Your Neighbor for Internet Service
Show Your Work: How We Uncovered Disparities in Internet Deals
A Real-Time Website Privacy Inspector
As Seen In: Websites Selling Abortion Pills Are Sharing Sensitive Data with Google (ProPublica)
Investigation: We Ran Tests on Every State’s COVID-19 Vaccine Website
A browser extension that reveals Amazon brand and exclusive products while you shop on the site
Investigation: Amazon Puts Its Own “Brands” First Above Better-Rated Products
Impact: House Antitrust Committee Accuses Amazon of Lying to Congress, Asks DOJ to Investigate
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We publish our datasets, methodologies, story recipes, and processes so communities, journalists, and researchers can check our work and build on our reporting.
The survey we investigated was also used in dozens of other cities and counties, according to its creators. Here are our tips for looking into it
A tutorial on how to build datasets from the hidden feeds powering almost every website on the internet
Step-by-Step Tutorial: Finding Undocumented APIs
It’s time to be proactive about user privacy. Find out if you’re sending too much data to Facebook—or if you need to send data at all
Investigation: Tax Filing Websites Have Been Sending Users’ Financial Information to Facebook
We analyzed more than 800,000 internet service offers in major U.S. cities. Here’s how you can use our data to report local stories
As Seen In: Low-income Memphians receive worse internet service for the same price (MLK50)
As Seen In: Detroit Is Paying Big Money for Slow Internet (Outlier Media)
Our journalism has driven real-world change—from changes in government policy to the removal of tracking technology.
The bipartisan group sent letters to three companies requesting more information about data sharing, citing an investigation from The Markup and STAT
Letters to the companies, signed by Warren and others, cite a recent Markup investigation
Citing multiple Markup investigations, Sen. Mark Warner of Virginia asked Meta to detail how it collects, filters, and safeguards sensitive information
Investigation: Facebook Is Receiving Sensitive Medical Information from Hospital Websites
Update: HHS updated guidance about user tracking on hospital websites cites The Markup
