[greggman]

You seem to have missed the entire point of the article. That point is there is a conflict of interest between Facebook and its advertisers. Something that's not true of most Internet advertising systems according to the author. That is the specific problem. Not that it used to be free and now is pay.

[Evbn]

Google, the largest ad business on the planet, derives much of its revenue from a product that is directly antagonistic to advertisers: organic search.