An introduction to the protocol that powers Hubzilla

The world is full of protocols. Some are loosely defined by society, and some are rigidly defined by their architects. In many urban environments, for example, there is a protocol for how you ride an escalator: if you choose to stand, you stand on the right side so that those who choose to step can get past on the left. If you ignore this protocol, you may get some annoyed looks but you will still get where you are going. More rigid protocols, such as the hypertext transfer protocol (HTTP) that governs most communication on the web, can be much stricter and more elaborate. If your browser puts one semicolon in the wrong place you can forget about seeing those cute cat videos.


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