Here is a little survey for traders and investors. You may have heard of socialpicks, covestor, marketocracy, caps.fool.com, stockpickr and other social investing web 2.0 sites. They're all useful in their own ways. However, the world isn't perfect, and there is always something missing. Have you ever thought that some site that you greatly need or just want to use (in terms of finance and investments) is missing? If yes, please express your opinion below. P.S. If you have any experience using the above mentioned services, tell me what you think about them.