From IndieWeb

JSON-LD is a method of encoding RDF (aka "Linked Data") as JSON. It makes special points of IDing resources with URIs, and of including the URIs of schema-like "contexts" for vocabularies defined by a variety of sources.

Manu Sporny has released a number of introductory videos (hosted on YouTube):

And written about the origin of the standard and its posision in the Semantic Web and RDF universe, published in the month of W3C 1.0 release of the standard:


See Also