nostr:npub1xpgperec0pgyzhj0umj49xee3ux6wgll7rc44pqzmm89wrxs5xps74apfc nothing written up that's publicly available but generally, knowing that I can't include everything, the criteria have been: two or more nodes; any transmission medium; any topology; must be able to be used for human communication that can be construed as language (so that excludes systems for monitoring, surveillance etc.); and is interesting, unusual, forgotten, and/or important. I think that's just about it!