del.icio.us direc.tor is a prototype for an alternative web-based rich UI for del.icio.us. It leverages the XML and XSL services of modern browsers to deliver a responsive interface for managing user accounts with a large number of records.
"Many people have told me this week that they think 'Web 2.0' has not been very impressive so far and that they really hope for a next-generation of the Web with some more significant innovation under the hood -- regardless of what it's called. A lot of p