Maybe, although I think your understating the complexity that filtering through data at Google scale can involve. When you have enough users in a system many ma

Maybe, although I think your understating the complexity that filtering through data at Google scale can involve. When you have enough users in a system many many 'normal' people will look and behave like bots/fraud, things that should be obvious are often not. I wonder if Stumbleupon could have achieved something similar to what you're proposing if they had tried to build a search engine.