Two bits:
Terminal Services Web Access: Run applications through web browser.
http://technet.microsoft.com/en-us/library/cc771908(WS.10).aspx">http://technet.microsoft.com/en-us/library/cc771908(WS.10).aspx
app-v: virtualized application backend.
http://technet.microsoft.com/en-us/appvirtualization/cc721196.aspx
Anytime, MS wants to counter Google they can. With the improvements with remote FX and virtualization, there's no need to port applications to html 5. Eventually legacy code will die or be reinvented and resold.
