Hi, I am doing an web site for users to purchase speeches in the form of mp3.
I want to make sure the user who bought the mp3 can only use it. I want to restrict the mp3 usage to only the downloading machine or some other kind of authentication before the user uses the file. Is there anyway to do it. One idea is don't allow the user to download the original file and play the file directly from internet (work like a subscription mechanism). Problem with this approach : the user always need internet connection, loading time for low bandwidth connections.... Any thoughts are much appreciated Thanks and Best Regards Ansar

