and information sorting, tagging, bookmarking and cross posting, with Digg. Next question, What's Digg?: "Digg is a technology news website that combines social bookmarking, blogging, RSS, and non-hierarchical editorial control. With digg, users submit stories for review, but rather than allowing an editor to decide which stories go on the homepage, the users do."
Learn more about Digg.
via Zoli's Blog
Have, of course, taken the opportunity to post about the category method on Digg.