Recently Google Docs added new features. And sure huge user wait for this great updates. And Google Docs much more user friendly. The recent updates are :
Save as PDF, for when you really need to download your presentation as a file.
PDF-based printing options (save trees and ink!). Go to File->Print, select how many slides you’d like on a page (up to 12), and preview your choice.
Vector shapes, for your basic diagramming and drawing needs. Use block arrows to point out what’s important, or say something in a call-out bubble.
You can checkout Google Docs Official Announcemenets and get more details and till now enjoy Google Docs