Dive deep into the architecture of Exchange Web Servicesand master the intricacies for accessing data with the new, unifying API. Exchange Web Services offers new functionality, replacing old, disparate APIs. Written by members of the Microsoft Exchange Server 2007 and Exchange Web Services product teams at Microsoft, this practical guide introduces developers to Exchange Web Services. It includes comprehensive, in-depth coverage of the architecture and key features, including messaging, folders, calendaring, tasks, notifications, searching, availability, and autodiscovery. Developers who are moving applications using previous APIs to Exchange Web Services will learn how to determine the correct Web services constructsand the implications of those de...