An event sink, sometimes called a listener, is a piece of coding that specifies how a server or computer is to handle given events... (Continued)
Exchange Web Services (EWS) is an application program interface (API) that allows programmers to access Exchange items such as calendars, contacts and email in Exchange Server 2007 and higher.
Microsoft Exchange Management Shell (EMS) is a scripting platform that enables administrators to manage Exchange Server. EMS is is built on top of Microsoft PowerShell, a command line shell that allows administrators to perform administrative tasks with simple noun-verb commands called cmdlets.
Synchronous groupware is programming that enables real-time collaboration among geographically-distributed work group members.