It seems Apple will not be offering a video feed for this event. We've created this spoiler free page for readers who prefer watching the keynote themselves without knowing the outcome. Apple will likely post a recorded QuickTime stream a few hours after the keynote ends.
You can also subscribe to our notification list which will send out an email when the keynote is posted online. The mailing list will only be used for notifications for these spoiler free announcements and you may unsubscribe at any time.
Update: Stream available