Twitter Patched Up 2 Issues Affecting Its Users’ Ad Settings

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


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.

The social network revealed in a help center post late Tuesday that starting in May 2018, if a user clicked on or viewed an ad for a mobile application and went on to interact with that app, data such as that user’s country code, if and when they engaged with the ad and information about the ad may have been shared with Twitter’s trusted measurement and advertising partners, without the consent of that user.

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