On March 3rd, the first day of the sold out SharePoint Conference in Seattle, Bill Gates will announce, during his keynote session at 9AM PST, Microsoft's Exchange Online and SharePoint Online services being available on a per user subscription basis to organizations of all sizes. Bill will also announce the Silverlight Blueprint for SharePoint and the general availability of Microsoft Search Server 2008 Express. Attend Bill's keynote in Room 6ABC at the Convention Center to see and hear the details!

If you're not attending the conference, you can still experience Bill's keynote via one of the following live webcast channels:

To stay up to date with many other announcements that will be made by Microsoft and SharePoint partners during the conference, visit the SharePoint Conference Virtual Press Room at www.microsoft.com/presspass/events/sharepointconference.

Source: http://blogs.msdn.com/sharepoint/archive/2008/03/02/don-t-miss-the-announcements-by-bill-gates-to-kick-off-the-sharepoint-conference.aspx