<ul><li>Data lineage is a fundamental part of Meta’s Privacy Aware Infrastructure (PAI) initiative</li><li>Meta developed various techniques to collect data flow signals across different technology stacks</li><li>PAI offers efficient and reliable first-class privacy constructs embedded in Meta infrastructure</li><li>Data lineage refers to the process of tracing the journey of data as it moves through various systems</li><li>Meta has developed privacy controls to protect privacy requirements for religion data</li><li>Data lineage is crucial for implementing Policy Zones</li><li>Meta's data lineage can be used for security and integrity as well</li><li>The iterative tooling helped to guide engineers in discovering relevant data flows, reducing engineering efforts by orders of magnitude</li><li>Meta aims to expand coverage, improve consumption experience, and explore new frontiers of data lineage</li><li>Data lineage is a vital component of Meta’s PAI initiative, creating a more transparent and accountable data ecosystem</li></ul>

How Meta discovers data flows via lineage at scale

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