Facebook Overhauls Infrastructure to Launch Off-Facebook Activity Tool
Facebook rolls out its new Off-Facebook Activity tool, allowing users to view and disconnect off-site data shared by third-party apps and websites. This launch requires a massive infrastructure redesign to overcome the challenge of decentralised data storage.
Facebook rolls out a new privacy tool called Off-Facebook Activity, which allows users to see the apps and websites that share their off-site data with the platform and disconnect that information from their accounts. Building this feature requires an extensive redesign of the company's data infrastructure because off-site activity is not stored in a single, centralized user profile.
The engineering team faces a major challenge regarding where and how this data is stored. While on-platform content like posts and photos uses real-time storage systems that easily allow for direct deletions, the majority of off-site activity lives in a data warehouse where information is organized into tables and propagated across computational pipelines.
To develop this tool effectively, Facebook gathers feedback from privacy experts, everyday users, and businesses to understand their diverse needs. These conversations highlight a strong demand for clearer explanations of internet data exchanges and confirm that expanding user controls aligns with public expectations for privacy.