What are your favorite capsules? My favorite is Ploum.

Also Usenet. Still around after decades. As long as people are hosting news servers, it will stay. The original decentralized protocol.

Maybe in the USA. In Québec (Canada), I believe that the general public is just about ready to accept one big bathroom for everyone. Stop gender segregation. Also, build the bathroom better. Make the stalls be tiny rooms instead, with a real door.