2014-10-08 UTC
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tommorris tantek: just one minor thing - http://indiewebcamp.com/irc/2014-09-28/line/1411927440901 - FOAF isn't "based on invisible metadata". It's invisible if you put it in an RDF/XML file like 10 years ago. if you publish it as RDFa, say, then it is as visible as an XFN link. there's a vocabulary/syntax distinction there.