Kill the Newsletter, newsletter-to-RSS service. Can be self-hosted even. Newsletters never worked for me.
Cloudflare:Cryptographic Attestation of Personhood. Nice, especially the use of WebAuthn Registration phase for this, sidestepping potential privacy concerns.
This mural by SUSO33 “is a concentration of slightly outlined figures which are persecuted by their shadows, but if the viewer, instead of focusing on details, looks at the entire picture, what he sees is another figure.”