[The concept of MDM, and the problem it illustrates, has been around for several years, according to IDC group vice president and general manager Henry Morris.] MDM reaches across a number of areas, where functional units within an organization need to share data on products, customers, locations, etc., across multiple systems, ... As companies gather more data, and have to make it usable for CRM and compliance purposes, they encounter increasing difficulties and questions. What data is correct? Who is responsible for it? Who maintains the information?