Then csuwildcat continues in a followup tweet:

Unlike public feed protocols, you can build any type of app using DIDs & DWeb Nodes that cover the full range of use cases, from social media, to permissioned document collaboration, to encrypted personal medical data. Get started using the Web5 JS lib:

And he links to these docs: https://developer.tbd.website/docs/web5/build/decentralized-web-nodes/web5-connect/

Finally, he says:

Next up, I will be launching a DWeb app I've been writing that exercises the full range of DWeb capabilities. It's a consumer app I hope devs and average users alike can try to provide us feedback on all aspects of the Web5 platform. Join us in building DWeb apps of your own!