What is the Machinery Information Management Open Systems Alliance (MIMOSA) and why should you care? MIMOSA is an alliance that enables Enterprise Asset Optimization resulting from the productized integration of building, plant and equipment data into and with Enterprise Business Information. Users, vendors and integrators of maintenance related technology should care, because their future is dependent on their ability to integrate and communicate effectively with the enterprise. This paper briefly explores the history, present and potential future of maintenance technology and practices in the context of enterprise business strategies and the enterprise information infrastructure.