A normal (un-jailbroken) iPhone can't save video anyway. http://host/path/video-file.mp4 style links are progressively downloaded and the content discarded as it's played. No need for DRM unless someone has a 3rd-party app that will save the file to the iPhone (trivial functionality really).
Users of the BBC
A normal (un-jailbroken) iPhone can't save video anyway. http://host/path/video-file.mp4 style links are progressively downloaded and the content discarded as it's played. No need for DRM unless someone has a 3rd-party app that will save the file to the iPhone (trivial functionality really).