How Microsoft Deployed / Implemented Exchange Server 2010 on their premises

A very interesting & recommended web cast, which every Microsoft / Exchange guy should watch, Mrs. Luisa Garcia, Microsoft IT Service Manager, is describing that how Microsoft transitioned his Messaging System to Exchange 2010.

Check out this Web Cast:
https://msevents.microsoft.com/CUI/WebCastEventDetails.aspx?EventID=1032448860&EventCategory=5&culture=en-US&CountryCode=US