- High Availability and Site Resilience (http://curah.microsoft.com/55931/high-availability-and-site-resilience-in-exchange-server-2013)
- Managed Availability (http://curah.microsoft.com/69804/exchange-server-2013-managed-availability)
- Public Folders (http://curah.microsoft.com/70001/exchange-server-2013-public-folders)
More to come for other topics (and of course, you can make your own, too). For more information, see http://curah.microsoft.com.
Until later,
Henrik Walther