Richard chats with Microsoft PFE Mike O'Neill about his work with customers using large scale Exchange sites. Mike is one of the contributors to You had Me at EHLO, the Exchange team blog site. The conversation digs into how Exchange 2013 is the most Powershell-centric version of Exchange yet... you really need to know it! Mike talks about the efficiency and scriptability of Exchange and Powershell, as well as the migration path from Exchange on-premise to Exchange in the Cloud.