What does the "Media Business Model" mean?

Both media and most online businesses are based on "software economics", where the cost of creating something of value is relatively high but the marginal cost of distributing it to each consumer is very low. So you can look at the web as the ultimate extension of the media business model to a wide range of other industries. But when people think of the "media business model", they usually just think of advertising. That's a big part of it, to be sure, but as those of us in the media business know, it goes far beyond that. Here's my start at a list all the revenue models you can find in the media industry, all based around a core of free or almost-free content. (The Long Tail)