Any business I'm involved with must mean something to me. It must be helpful to others who want to use the service itself, and maybe even to find a way to eek out another stream of income. Now, if this business were able to provide a wonderful everyday service, but also be able to provide a steady and growing income for its users, that would be optimal. And, it would have to cost nothing to join and participate, at least for its core services.
Source: ezinearticles.com