It's pretty slick, but the I couldn't find a way to go full-screen? Something like 15-20% of the reading space is with headers and footers that serve no purpose while actually viewing documents.<p>Compare Google Docs native PDF reader to yours [Screen shots here: <a href="http://imgur.com/a/mfVJx" rel="nofollow">http://imgur.com/a/mfVJx</a>]. If I'm using a service to view documents, I feel like more real estate for the actual content would be more useful than social sharing or download links or whatever else.