Even though “starting today, a select group of SkyDrive customers will be invited to try out a technical preview of the online versions of Microsoft Office Excel, Word and PowerPoint, also known as the Office Web Apps, integrated right inside their Windows Live SkyDrive experience” (source: Windows Live Wire), you can see a demo of the Excel Web App, Powerpoint Web App, Word Web App, and their sharing capabilities right away:
Source: TechNet Edge
