Really enjoyed helping write this with a bunch of other talented members of the Integrity Institute. Hopefully it's a helpful resource for lawmakers and regulators around the world.

https://integrityinstitute.org/news/institute-news/integrity-institute-releases-overview-of-online-social-platform-transparency

Integrity Institute Releases Overview of Online Social Platform Transparency — Integrity Institute

New overview introduces platform transparency at a high level as companion to the Institute’s metrics and ranking design transparency resources

Integrity Institute
One of my favorite parts is this comparison of different transparency mechanisms and the audiences that benefit the most from each: