A feed is a kind of information resource that represents a sequence of publication releases of other resources. Feeds are typically implemented in RSS (less commonly RDF Site Summary 1.0, and more commonly Dave Winer's unrelated Really Simple Syndication 2.0), as well as the IETF standard, Atom (RFC4287). Connect existing Create new Has Narrower Narrow Match Has Related Close Match Exact Match Has Broader Broad Match Has Narrower Narrow Match Has Related Close Match Exact Match Has Broader Broad Match activity (statement) affordance architect (Cooper) client (process model) cognitive science composition (process model) computation computer conceptual integrity constraint customer (process model) design digital media engineer (Cooper) extension feed fitness variable form information ecology intension interaction design linguistics live document mathematics name collision opacity (information resource) persona post-industrial post-industrial process model problem-solving process producer programmer (Cooper) project scaffold protocol dysphoria reference catalogue scenario science semiotics social science software technology user