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Essential Atom and AtomPub in 30 seconds

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Atom is this: You have a bunch of things, or sometimes just one thing.  They always have unique ids, they have timestamps, and tell you who created/is responsible for them.  Oh yeah, if you can, please provide a short snippet of text describing each thing.

AtomPub is how to discover, create, delete, and edit those things.

Everything else is optional and/or extensions.

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