It’s a snap to share presentations with your social network using Social Share—a Microsoft Garage project. Share snapshots of slides or even the entire presentation as a photo album or video.
Check out the demo:
This add-in for PowerPoint makes it easy to connect with Facebook and Twitter right from your Office pane. People in your social network can comment, and the comments are pulled back into the document. Social Share also enables your friends and colleagues who may not have Office subscriptions to contribute or review the document.