Pdf reader is a very useful application. We can save any textual information in this application. It allow us to download the needed information and save it in this application. So that you can read it in any of your leisure time. We can save books, important notes, etc in this application. I always prefer this reader over other readers as it is eazy to use and also provides a confort to the user. I would like to share an outlook so it could be more efficient for the user to use this application.