Unless a digital purchase consists of a file or set of files that can be opened on any machine, without phoning home to check your subscription status, you're

Unless a digital purchase consists of a file or set of files that can be opened on any machine, without phoning home to check your subscription status, you're paying for thin air. It's ironic because Redbox used to rent out DVDs that could be ripped to a file for a permanent, DRM-free copy.