The World Live Web - a nice summary from Doc Searls of a number of converging technologies.
I thought about how the concept of a live Web brought together a whole pile of allied concerns and development efforts: digital identity, instant messaging and presence, markets for expertise, syndication, mobile messaging, social computing, P2P, directory and metadirectory services, strip mall infomediaries, weblogs... It put all these emerging technologies in a single new perspective: a live one.