Investigative Reporting on Technology

Facebook Won’t Let Employers, Landlords or Lenders Discriminate in Ads Anymore

by Jack Gillum and Ariana Tobin,

March 19, 2019, 2 p.m. EDT

Facebook and Twitter Turned to TurboVote to Drive Registrations. Officials Want Them to Turn Away.

by Jessica Huseman,

March 11, 2019, 3:51 p.m. EDT

Facebook Moves to Block Ad Transparency Tools — Including Ours

by Jeremy B. Merrill, special to ProPublica, and Ariana Tobin,

Jan. 28, 2019, 4:29 p.m. EST

Do You Know Someone Struggling With Video Gambling? Help Us Understand Video Slot and Poker Addiction in Illinois.

by Logan Jaffe,

Jan. 16, 2019, 3:59 a.m. CST

Georgia Officials Quietly Patched Security Holes They Said Didn’t Exist

by Jack Gillum, Jessica Huseman, Mike Tigas and Jeff Kao, ProPublica; and Stephen Fowler, Georgia Public Broadcasting,

Nov. 5, 2018, 3:57 p.m. EST

How Big Oil Dodges Facebook’s New Ad Transparency Rules

by Jeremy B. Merrill,

Nov. 1, 2018, 5 a.m. EDT

New Partnership Will Help Us Hold Facebook and Campaigns Accountable

by Jeremy B. Merrill,

Oct. 8, 2018, 3 p.m. EDT

Why Am I Seeing This? Interesting Facebook Ads From Our Political Ad Collector

by ProPublica,

Sept. 25, 2018, 10:15 a.m. EDT

Facebook Is Letting Job Advertisers Target Only Men

by Ariana Tobin and Jeremy B. Merrill,

Sept. 18, 2018, 6:39 p.m. EDT

The Overlooked Weak Link in Election Security

by Jack Gillum and Jessica Huseman,

Sept. 14, 2018, 5 a.m. EDT

D.C.-Based Pro-Israel Group Secretly Ran Misleading Facebook Ads to Target Pro-Palestinian Activist

by Justin Elliott, ProPublica, and Josh Nathan-Kazis, The Forward,

Sept. 12, 2018, 5 a.m. EDT

No, a Teen Did Not Hack a State Election

by Lilia Chang,

Aug. 24, 2018, 12:20 p.m. EDT

Besieged Facebook Says New Ad Limits Aren’t Response to Lawsuits

by Ariana Tobin and Jeremy B. Merrill,

Aug. 23, 2018, 12:48 p.m. EDT

Facebook Promises to Bar Advertisers From Targeting Ads by Race or Ethnicity. Again.

by Ariana Tobin,

July 25, 2018, 2:47 p.m. EDT

Updated: Facebook Political Ad Collector

by Jeremy B. Merrill, Ally J. Levine, Ariana Tobin, Jeff Larson, and Julia Angwin,

July 17, 2018, 12:51 p.m. EDT

Facebook’s Screening for Political Ads Nabs News Sites Instead of Politicians

by Jeremy B. Merrill and Ariana Tobin,

June 15, 2018, 12:39 p.m. EDT

What Facebook’s New Political Ad System Misses

by Jeremy B. Merrill, Ariana Tobin, and Madeleine Varner,

May 24, 2018, 8:40 p.m. EDT

How to Wrestle Your Data From Data Brokers, Silicon Valley — and Cambridge Analytica

by Jeremy B. Merrill,

April 30, 2018, 5 a.m. EDT

For Some Democrats, Facebook Likes Are a Path to Hard-to-Find Supporters

by Jeremy B. Merrill,

April 26, 2018, 11:04 a.m. EDT

We Have Some Follow-Ups for Facebook — And We Want Your Help

by Ariana Tobin, Jeremy B. Merrill, Lucas Waldron and Terry Parris Jr.,

April 10, 2018, 11:13 p.m. EDT

Four Ways to Fix Facebook

by Julia Angwin,

April 5, 2018, 5 a.m. EDT

Outlets in Eight Countries Are Using Our Tool to Monitor Political Ads on Facebook

by Jennifer Valentino-DeVries,

Feb. 8, 2018, 5 a.m. EST

Facebook’s Experiment in Ad Transparency Is Like Playing Hide And Seek

by Jennifer Valentino-DeVries,

Jan. 31, 2018, 5 a.m. EST

Political Ads on Facebook

by Jeff Larson, Rob Weychert, Julia Angwin and Jennifer Valentino-DeVries,

Dec. 5, 2017, 8 a.m. EST

ProPublica Seeks Source Code for New York City’s Disputed DNA Software

by Lauren Kirchner,

Sept. 25, 2017, 7:54 p.m. EDT

Despite Disavowals, Leading Tech Companies Help Extremist Sites Monetize Hate

by Julia Angwin, Jeff Larson, Madeleine Varner, and Lauren Kirchner,

Aug. 19, 2017, 1:45 p.m. EDT

How We Investigated Technology Companies Supporting Hate Sites

by Jeff Larson and Madeleine Varner,

Aug. 19, 2017, 1:44 p.m. EDT

Service Provider Boots Hate Site Off the Internet

by Ken Schwencke,

Aug. 16, 2017, 5:05 p.m. EDT

Facebook’s Secret Censorship Rules Protect White Men From Hate Speech But Not Black Children

by Julia Angwin, ProPublica, and Hannes Grassegger, special to ProPublica,

June 28, 2017, 5 a.m. EDT

How to Protect Your Digital Privacy in the Era of Public Shaming

by Julia Angwin,

Jan. 26, 2017, 9 a.m. EST

Breaking the Black Box: How Machines Learn to Be Racist

Jeff Larson, Julia Angwin and Terry Parris Jr.,

Oct. 19, 2016, 8 a.m. EDT

Breaking the Black Box: When Machines Learn by Experimenting on Us

Julia Angwin, Surya Mattu and Terry Parris Jr.,

Oct. 12, 2016, 8 a.m. EDT

When Algorithms Decide What You Pay

Julia Angwin, Surya Mattu and Terry Parris Jr.,

Oct. 5, 2016, 8 a.m. EDT

Breaking the Black Box: What Facebook Knows About You

Julia Angwin, Surya Mattu and Terry Parris Jr.,

Sept. 28, 2016, 7 a.m. EDT

Machine Bias

Julia Angwin, Jeff Larson, Lauren Kirchner and Surya Mattu,

May 23, 2016, 8 a.m. EDT

How We Analyzed the COMPAS Recidivism Algorithm

Jeff Larson, Julia Angwin, Lauren Kirchner and Surya Mattu,

May 23, 2016, 7:59 a.m. EDT

Meet the Online Tracking Device That is Virtually Impossible to Block

by Julia Angwin,

July 21, 2014, 9 a.m. EDT