Using Microsoft Office Online

Microsoft has just announced a new refresh Microsoft Office Live Workspace.
Some features:

Anywhere Access
Save 1000+ Microsoft Office documents in one place
Access them from almost any computer with a Web browser
No more flash drives or sending yourself documents via e-mail

Share with Others
Invite people to your workspace
You control who can view, comment, and edit your documents
Stop manually merging versions from multiple people

Extend the Microsoft Office Experience
Open and save files directly from Word, Excel, and PowerPoint
Synchronize contact, task, and event lists with Outlook
No need to learn a new program

Let use at http://workspace.officelive.com/