Privacy
I Tried to Use the Ad Tech Industry’s Tool to Opt Out of Personalized Ads. Did It Work?
Let’s just say it leaves a lot to be desired
All Articles
Blacklight
We Ran Tests on Every State’s COVID-19 Vaccine Website
The results, measuring accessibility and privacy protections, were not always great
The Breakdown
The Tech Industry Is Abuzz About the PRO Act. What Is It?
The federal bill seeks to make it easier for gig workers to join unions. Tech companies are not on board
The Breakdown
What’s Up with the Apple App Store’s Privacy Changes?
The upcoming policy shift isn’t an end to data tracking, but experts say it’s a strong start
Locked Out
Citing a Markup Investigation, Senators Question Regulators About Tenant Screening Oversight
They raise concerns over racial disparities, effects of pandemic
Citizen Browser
Split Screen: How Different Are Americans’ Facebook Feeds?
Snapshots from the Facebook feeds of our Citizen Browser panelists illuminate how Facebook’s recommendation algorithm siloes information on the platform.
Citizen Browser
Introducing “Split Screen”
A new tool from The Markup’s Citizen Browser project
Show Your WorkCitizen Browser
How We Built a Facebook Feed Viewer
Split Screen invites readers to explore how different people experience Facebook
News
Powerful DNA Software Used in Hundreds of Criminal Cases Faces New Scrutiny
After decades of secrecy, two judges have ruled defendants can investigate whether TrueAllele’s probabilistic genotyping algorithm works as advertised
Citizen Browser
Official Information About COVID-19 Is Reaching Fewer Black People on Facebook
According to data from The Markup’s Citizen Browser project, there are major disparities in who is shown public health information about the pandemic
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