2019-04-12 UTC
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[manton] Let's stick with the book or Swarm example and run with it. If you don't type in any text for what you thought about the book or location check-in, then the summary is something about the book and the content is blank. Okay. So what if you do type something in? The content can't just be what you typed because then a client will include that and ignore summary, so you lose all the metadata!