Jon Orton makes this statement in an interview on WindowsItPro.com Jon is one of the key individuals responsible for Exchange Online. When you see him associated with an interview or webcast, you are getting close to the source. He’s also responsible for the Exchange Online Service descriptions for both BPOS and Office365.
In this excellent interview, Jon discusses Exchange Online, the Office 365 beta, rich coexistence, and offers the opinion that cloud services does not threaten the jobs of IT Pros.
Exchange 2010 Architecture: Microsoft's Jon Orton Talks About Exchange Online