Utilizing a “demand-side” framework for bringing together prospective buyers and sellers. Buyers can broadcast their needs in the form of a request for proposal (“RFP”) to prospective sellers using the system. Social networking tools can be incorporated into the system to make searches more efficient...http://www.google.se/patents/US8204790?utm_source=gb-gplus-sharePatent US8204790 - System and method for matching buyers and sellers