Paying for content or giving it away in hopes of attracting eyeballs?

There are two schools of though out there on how news organizations survive going forward.

One by charging readers for content (plus charging advertisers) or continuing to give it away in order to attract eyeballs (for the sake of advertisers).

Here are a couple of pieces with thoughts about models in which people are willing to pay for content:

The Newsonomics of Pricing 101 | Newsonomics and The Newsonomics Of 99-Cent Media Pricing.