People are going nuts with XML and it really rocks. See the Semantic Web.

Anyone know of a good FOAF browser? It should be possible to do interesting things like trace your way from a friend of yours to say Linus Torvalds or Jennifer Ringley or Tom Hanks.

A web browser should be trusted with credentials. When I come up to a web page I should be able to press a button and emit my credientials to that site. all these names and passwords are getting out of hand.