Data minimization
Data minimization
Collect the minimum account and product data needed to sign users in, deliver purchases, and sync reading state.
Privacy
Privacy
Launch privacy principles before the full legal copy is written.
Protected reading state
Protected reading state
Keep transactional and reader-state data in the right storage systems, and avoid leaking private reading access into public surfaces.
User controls
User controls
Make privacy controls visible for public shelves, review visibility, and profile activity as the social surface grows.