alt Hacker NewsThe summary of what this is about is:
"Atproto is a big-world open social protocol. Users publish JSON records into repositories. The changestreams of those records then sync across the network to drive applications."
It's too bad that information isn't on the front page. You have click "GET STARTED" and scroll down
Is it really, at the end of the day, a server that serves your data over JSON (aka a social media post) and offers feeds (ala an RSS model) of the changes of that data and provides services for discovering the schema of that JSON (aka its lexicon)?