In addition to creating and collaborating on documents and spreadsheets, users can now work on and share presentations in their browsers.

Editions impacted:
Standard, Premier, Education and Partner Editions

Languages impacted:
US English

How to access what's new:
Sign in to Google Docs, click 'New' and select 'Presentation' to start creating new slides. Or upload an existing PowerPoint PPT file by clicking the 'Upload' button.

For more information:
http://google.com/support/a/users/bin/topic.py?topic=12610