del.izzy is a free service that lets you search through your del.icio.us bookmarks. Wait a second, doesn't del.icio.us already let me do that? What's different about del.izzy? del.icio.us is a great service, but when you search through your bookmarks, you are only searching through tags, titles and descriptions, not the page content.
Although "tagging" is often promented as an alternative to organization by a hierarchy of categories, more and more online resources seem to use a hybrid system, where items are organized into broad categories, with finer classification distinctions being