We have a document/file preview in our iOS app and web interface ( http://www.tonido.com/blog/wp-content/uploads/2012/11/iOS-Simulator-Screen-shot-Nov-14-2012-1

We have a document/file preview in our iOS app and web interface ( http://www.tonido.com/blog/wp-content/uploads/2012/11/iOS-Simulator-Screen-shot-Nov-14-2012-10.59.27-AM.png http://www.tonido.com/blog/wp-content/uploads/2012/11/iOS-Si...), similar to dropbox. Our customers really love the file preview part. It will be a good feature for dropbox as well.