App asks
You open a feed. The app asks the AppView for it by the feed's
at://
URI.
AppView looks up
It resolves the URI to the feed generator's DID and service address.
Generator picks
A
getFeedSkeleton
call returns only a list of post URIs. Anyone can run this service.
AppView hydrates
It fills in post text, authors, likes and replies.
You scroll
The finished feed appears as one of your pinned feeds.
PDS
your posts
→
Relay
one firehose
→
Feed generators
index what they need