MSDN Solution Architecture Center: Extending Enterprise Applications with Microsoft Outlook: Architectural Design Guide

MSDN Solution Architecture Center: Extending Enterprise Applications with Microsoft Outlook: Architectural Design Guide: "Many organizations have made multi-million dollar investments in customer relationship management (CRM) systems and other line of business (LOB) applications over the last decade. Although many of these applications have delivered significant business benefits, some organizations have found that these bespoke systems have not provided the expected returns on investment. One of the argued reasons for this is that specialized enterprise systems, databases, and applications do not integrate well with information worker workflows."