RBS is short for Reverse Bidding System. Its a bidding system basically that helps you create your own platform where bidders or freelancers (who may be contractors, sub contractors, procurement, service providers, designers or web developers) can bid on a project when a buyer posts a job or project. The sellers or freelancers can also show their expertise to get the job/project.  Create your own freelance project positing site and make money with it. Reverse Bidding System Elance, Freelancer, Guru, oDesk, VWorker clone