“That means that, if Digg were actually based on the Wisdom of Crowds principle, you’d never see how many people had dugg an article before you choose to digg it yourself. Additionally, you’d only ever vote on a random selection of articles.” – J Wynia
I think the transparency allowed by internet technologies make true Wisdom of Crowds projects impossible. Google is the closest I think we can get. Now, if Google dropped their search results page and only had the ‘I feel lucky’ button, we’d be there.