I wrote an article for the Mozilla Hacks blog that's a brief technical introduction to ActivityPub. I also provide an intro to my simple #ActivityPub Node.js server.
@Transflux I don't know, perhaps because the point was to publish the spec. There is a community group in its place.
@darius ups... :) anyway I thought it has great potential but the development seemed to slow down, so its great to see that you are taking it on
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