I did not expect this, but it makes perfectly sense. Now let’s test this in the lab to see of it fixes some of the 2010 HCW shortcomings such as the lack of Edge Transport integration.
A hybrid deployment offers organizations the ability to extend the feature-rich experience and administrative control they have with their existing on-premises Microsoft Exchange organization to the cloud. A hybrid deployment provides the seamless look and feel of a single Exchange organization between an on-premises Exchange organization and Exchange Online in Microsoft Office 365. In addition, a hybrid deployment can serve as an intermediate step to moving completely to an Exchange Online organization.