"In one of the Internet�s quieter corners, mozilla.org, a revolution has been taking place. A new XML format, called XUL (eXtensible User Interface Language), pronounced "Zool", is on the way to re-shaping what we know about both the Internet, and desktop applications. A bold claim perhaps -- but once you've finished reading this, you may just find yourself agreeing."
Go read the rest of what Harry Fuecks has to say. (via mozillaZine)