From the article: With new iOS release of Dropbox, new iPad and iPhone apps include automatic offline caching for recently accessed files, support for

From the article: With new iOS release of Dropbox, new iPad and iPhone apps include automatic offline caching for recently accessed files, support for HD video and high-resolution photo capture. The apps also feature a UI improvement including a new home screen and progress display, full screen landscape document viewing on iPad and the support for multitasking to allow files to upload or download in the background.