I have a problem with tossing around the term Semantic Web when their take is so much different than mine. The SW is about standards (RDF, RDFS, OWL, SPARQL, HTTP, using URIs to represent things and concepts, etc.) and a very large number of linked data publishers who hopefully use at least some common Ontology's to define classes of businesses, information sources, people, organizations, places, events, etc., etc. and to define the properties that have ranges and domains that are these standard classes.
I take a bit of heat for being a SW proponent but I believe that long term this is a big thing. I could be wrong, though.