Newspapers actually do have a shot at figuring this out. Some let you read a few articles for free, and ask for a small payment for more, some experiment with p

Newspapers actually do have a shot at figuring this out. Some let you read a few articles for free, and ask for a small payment for more, some experiment with publishing platforms for per-article content via micro-payments (e.g., https://blendle.com https://blendle.com), others simply make a selection of articles and news available for free to act as an advertisement for their paid subscriptions.