Ad-supported websites are about as pure of an example of revealed preference as you can get. Advertisers target eyeballs that spend money, and the sites that capture the attention of said eyeballs get ad revenue.

The golden age of journalism, pre-web, was based on price signals being divorced from content because of classifieds propping up everything else.

We have been given the web that we want. It has been found wanting, because we ourselves are wanting.