If and when News Corporation pulls up the curtain on its iPad-only digital newspaper The Daily, the medium could become both a new model for journalism and a platform for PR.

“From my point of view I think it represents a tremendous opportunity,” says Hill & Knowlton VP Eric Glass. "What we've seen digital content do, and digital technology do, is create more opportunities for a diversity of content."

The scope of The Daily has yet to be seen, but in true ...