This is the Big in Japan Web 2.0 Toolbox, a collection of 'pro-sumer' blogging and RSS tools.
Short video demonstrating how to use RDF data-sources to create mashups in Drupal
Nette, wenn auch sehr unvollständige Übersicht
Web 2.0 sites that have been bookmarked at del.icio.us in the last 7 days
Fettes AJAX userinterface