Journalism
I collaborate with journalists and engineers to design tools and develop crowdsourced datasets for investigating social media platforms.
Investigation finding that tax filing services such as H&R Block, TaxAct, and TaxSlayer have been transmitting sensitive financial information to Facebook when Americans file their taxes online.
| Title | Tax Filing Websites Have Been Sending Users’ Financial Information to Facebook |
| Authors | Simon Fondrie-Teitler, Angie Waller, and Colin Lecher |
| Published | 11/22/2022 |
| URL | Read at The Markup︎︎︎ |
| Awards: | Society for Advancing Business Editing and Writing’s 2022 Best in Business Awards |
A tracking tool installed on many hospitals’ websites has been collecting patients’ sensitive health information—including details about their medical conditions, prescriptions, and doctor’s appointments—and sending it to Facebook.
| Title | Facebook Is Receiving Sensitive Medical Information from Hospital Websites |
| Authors | Todd Feathers, Simon Fondrie-Teitler, Angie Waller, and Surya Mattu |
| Published | 11/22/2022 |
| URL | Read at The Markup︎︎︎ |
| Awards | 2023 Digiday Media Awards–Best Story |
Investigation into why Facebook was unsuccessful in eliminating ad targeting based on proxies for race, religion, health conditions, politics, or sexual orientation.
| Title | Facebook Promised to Remove ‘Sensitive’ Ads. Here’s What It Left Behind |
| Authors | Angie Waller and Colin Lecher |
| Published | 11/22/2022 |
| URL | Read at The Markup︎︎︎ |
| DATA | https://github.com/the-markup/facebook-removed-interests |
Ahead of the national vote in Germany in the 2022 elections, data from Citizen Browser reveals that posts promoting the AfD party appeared on Facebook feeds more than three times as frequently as those promoting other parties.
| Title | Germany’s Far-Right Political Party, the AfD, Is Dominating Facebook This Election |
| Authors | Angie Waller and Colin Lecher |
| Published | 11/22/2022 |
| URL | Read at The Markup︎︎︎ Read at Süddeutsche Zeitung︎︎︎ |
| DATA | https://github.com/the-markup/citizen-browser-political-groups-germany/ |