These platforms can be different in type depending on their end-customers, inventory business model, the value unit they provide, and the extent of their open access. However, they have all grown in market reach, scope and in the communities they serve. Moreover, they have expanded from mere matchmaking to providing many more services for their customers including logistics, software and even hardware sales. Finally, with every increase in community reach, more information and knowledge is generated through them, increasing the value they provide for SMEs.