How To Use del.icio.us | extisp.icio.us and del.icio.us | A Nifty Del.icio.us Project
del.icio.us is a social bookmarking service, but it's also a thriving community. Users submit their favorite sites, and other del.icio.us users can bookmark those sites, bringing the cream of the crop up to the top of the del.icio.us queue.