Send to YouTube
If you had set up 'Rehearsed Timings' or have recorded audio 'Narrations' in your PowerPoint file, they would automatically be available in a video format (MP4 or M4V) which can be shared on YouTube via send to YouTube feature.

Share on iPod via iTunes
Your presentations will also be available to be downloaded in iTunes. Your viewers can then sync their iPods and have your presentations available even when they are not online!

Download PowerPoint
As a viewer, you can now download PowerPoint files if their respective authors have given their permission to do so. This is a great feature for those who like presentations and want to use a slide or two to enrich their own.

Featured Audio/Animated Presentations
Cool presentations get featured and you can view them categorized as Featured Presentations, Featured Audio Presentations and Featured Animated Presentations

RSS Feeds
Subscribe to the RSS feeds for categorized groups of slideshows as well as customized feeds for users and tags.