A real, smart browser bookmarking system. One that looks at your bookmarks, and based on content (and/or other factors) categorizes and organizes your bookmarks

A real, smart browser bookmarking system. One that looks at your bookmarks, and based on content (and/or other factors) categorizes and organizes your bookmarks for you without intervention. Due to issues around privacy, should either run locally or be part of a large, anonymized data set if it needs to use a SaaS. Even better would be a real standard for tagging URLs that bookmarking system could just use on their own (kind of like CDDB music genres or similar.)