1) Anonymity by default, and something like indieauth[0] to validate identities for non-anonymous posting, without having to store user account data on the server.
2) Ephemerality by default. Automatically delete old or non-productive threads, and give me the ability to download data associated with my account or delete it at will.
3) Hackability by default. Offer an API to allow third party clients, and add metadata to the HTML to make writing plugins easier.
[0]https://indieauth.com/
