One of the problems with digital disruption is that once disruption occurs, it is difficult to replace the revenues lost from the old model with "new" revenues.
A lot of newspapers, faced with declining advertising revenues, turned to on-line versions with the expectation that digital revenues could replace the more traditional advertising revenues. However, as this chart shows, that simply has not happened.
The reason is that digital disruption often leaves in its wake, radically different business models. Print advertising revenues didn't simply shift to digital. They evaporated, especially in the cash cow for newspapers, classified ads, as the old economic benefit was simply distributed in tiny increments among millions of Craigslist users.
Speaking of analog/digital business models, I thought readers might be interested in this short Slideshare on the eight trends you need to know about the Paperless Office.