Parent Magazine by Meredith Publishers has started to see an increase in their print by creating the right content for the right channel. They did a feature on Autistic children, ran the top questions and answers in their print edition, released the video interviews with the parents in their interactive tablet edition and had short-to-the-point answers about living and dealing with Autistic children on the web.
People who bought the print, read the questions and were driven to the interactive tablet edition for the video interviews with the parents, and to the web for quick answers.
The people who went online to get answers about living and dealing with autistic children were told to download the interactive tablet edition for more on the interviews and to buy the print edition for the top questions and answers.
So to get the whole "experience" they used the right content for the right channel. Design for the medium in which the content is being consumed.
I think the current challenge is that publisher produce a printed edition, create a PDF and call it a tablet edition, but its the same content and its boring as a PDF flipper. They then have the same, or similar content on the web, thus negating the reason to drive consumers to their different offerings.
Creating content for the device in which its being consumed makes sense if the offering and experience is different and engaging.
PS: Yes tablets have been around long before the iPad, in fact if you watched "Hitchhikers Guide to the Galaxy" that is where they first discussed the concept and idea of "tablets"... and yes Lig Lury Jr is still presumed "on lunch"