Today Microsoft is hosting a customer event for commercial customers in San Francisco. The morning will consist of a panel of customers deploying Windows 7, Windows Server 2008 R2 and Exchange Server 2010, a presentation by Microsoft CEO Steve Ballmer, and an open pavilion for commercial partners.

You will be able to watch the keynote via a live webcast here beginning at 9 a.m. (PDT) and can read Steve Ballmer’s new efficiency memo here.

Read more about today’s event on the Windows 7 and Windows Server team blogs.