Coordination of the value web is accomplished electronically through legacy systems,the Internet, extranets,e-mail,EDI and newer applications such as i2 and Ariba. These technologies not only reduce costs and improve quality, they make it possible to coordinate a much broader value web and transact larger volumes of business than could possibly be done in their absence. Taken together, the foregoing uses of IT enable the value web to be coordinated in real time and in a relatively seamless fashion,allowingDell to continually refine the direct model to achieve greater customization,faster response times,higher quality and lower cost for customers