There’s been a lot of talk recently about refining search engine results, eradicating spam sites, even adding a human editorial element to the process. What this overlooks is that there is already a massive database of what people actually want.
It’s called delicious. These are the bookmarks of sites that people find useful, and want to return to. It even has the popularity “link ranking” of google. All it takes now is for someone to do the conversion process.