Wikipedia's founder has announced a search engine allowing users to control the search results in a way similar to how digg works. I dabble in Search Engine Optimization (SEO) and I expect a huge shift if the other major search engines such as google and yahoo adopt similar models. Typically people will improve their rankings by getting more sites to link to them and by page layout, however allowing a human to rank a site against a given term is going to make these sorts of traditional SEO methods less relevant. This will cause SEO companies to start paying for people's 'ranks' much like how people pay for digg's, or how people are paid to click on ads. Additional information on wikipedia search engine can be found below. Somehow I suspect those sites with a lack of quality content that have deep pockets are going to be the people to win the rank wars. Oh and did I mention amazon is backing them?