The NYTimes reports that this could be the final "nail in the coffin" for the desktop office application. Google recently announced that it is providing Microsoft users a way to move their docs from Office into Google Docs without having to leave their desktop application. Convenience is key here. Google is trying to remove any reason to not abandon the old Office application for the cloud. Microsoft is aware of the problem posed by it's rival to their core business--hence the push towards the Office 365 cloud functionality.