Show Your WorkCitizen Browser
How We Built a Facebook Feed Viewer
Split Screen invites readers to explore how different people experience Facebook
Leon Yin
Investigative Data Journalist
Leon Yin translates story ideas into testable hypotheses—the cornerstone of our journalism. He builds bespoke datasets and uses interdisciplinary methods to report on technology. Leon left The Markup in July 2023.
His reporting of Google search’s self-referential results was cited in the opening remarks of a congressional hearing on tech giants and antitrust. In 2022, he won a Gerald Loeb Award for Personal Finance and Consumer Reporting with Adrianne Jeffries for their series, “Amazon’s Advantage.”
Before joining The Markup, he was a research scientist at NYU’s Center for Social Media and Politics, a research affiliate at the Data & Society Research Institute, and a software engineer at NASA.
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
Facebook Says “Technical Issues” Were the Cause of Broken Promise to Congress
In January, The Markup published proof the platform continued to recommend political groups to its users, contrary to its statements
Citizen Browser
Lawmaker Questions Facebook on Broken Election-Related Promise
Following an investigation by The Markup, Sen. Ed Markey is asking for answers on why Facebook failed to stop recommending political groups
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 group recommendations
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
Show Your WorkCitizen Browser
How We Built a Facebook Inspector
The Citizen Browser project seeks to illuminate the content Facebook elevates in its users’ feeds
Citizen Browser
In Georgia, Facebook’s Changes Brought Back a Partisan News Feed
Ahead of crucial senate runoffs, Facebook reversed its political ad ban, and the impact was visible on users’ feeds
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