Twitter Patched Up 2 Issues Affecting Its Users’ Ad Settings

The first surfaced in May 2018, around the time GDPR took effect

Illustration of someone using Twitter on a smartphone
Illustration: Trent Joaquin; Sources: Unsplash

Twitter discovered and fixed issues with users’ ad settings choices that first surfaced in May 2018, which may have shared some user data with third-party advertising and measurement partners without permission, and may have resulted in people seeing ads based on inferences they did not indicate in their personal settings. David Cohen is editor of Adweek's Social Pro Daily.