Citizen Browser
How Big Pharma Finds Sick Users on Facebook
We found drug ads targeted at users interested in everything from bourbon to therapy
Jon Keegan
Investigative Data Journalist
Jon Keegan is passionate about revealing the hidden patterns created by our interactions with the big platforms. He is happiest when his computer’s fan is running full-tilt while collecting millions of rows of data.
Before The Markup, he was a Senior Research Fellow at the Tow Center for Digital Journalism at Columbia University, researching signals of trust in online news and studying the role of AI in journalism. He also worked at The Wall Street Journal for 18 years, where he ran the interactive graphics team.
Jon’s work has won several journalism awards, including the Loeb Award, the Society of Professional Journalists’ Excellence in Journalism Award and the Society of News Design’s Best of Digital Gold Award.
Citizen Browser
Credit Card Ads Were Targeted by Age, Violating Facebook’s Anti-DiscriminationPolicy
Such ads, along with other age-targeted financial product ads, may violate civil rights laws, attorneys say
Coronavirus
We Ran Tests on Every State’s COVID-19 Vaccine Website
The results, measuring accessibility and privacy protections, were not always great
Show Your WorkCitizen Browser
How We Built a Facebook Feed Viewer
Split Screen invites readers to explore how different people experienceFacebook
Citizen Browser
Introducing “Split Screen”
A new tool from The Markup’s Citizen Browser project
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
Citizen Browser
Trump’s False Posts Were Treated with Kid Gloves by Facebook
Data from Citizen Browser shows how rare it is for a post to be called “false”—especially if you’re the president
Citizen Browser
Lawmaker Questions Facebook on Broken Election-RelatedPromise
Following an investigation by The Markup, Sen. Ed Markey is asking for answers on why Facebook failed to stop recommending politicalgroups
Citizen Browser
Facebook Said It Would Stop Pushing Users to Join Partisan Political Groups. It Didn’t.
According to Citizen Browser data, the platform especially peppered Trump voters with political grouprecommendations
Citizen Browser
Biden and Trump Voters Were Exposed to Radically Different Coverage of the Capitol Riot on Facebook
Data from The Markup’s Citizen Browser project shows the different realities Americans inhabited on Facebook last week
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