I don't know whether it is practical or not, my argument is: knowing your audience is a crucial point of the content business (specially if it's "free"). If I'm

I don't know whether it is practical or not, my argument is: knowing your audience is a crucial point of the content business (specially if it's "free"). If I'm a writer, a publisher, etc I need to know my audience. Outsourcing ads to third-party means I don't care (enough) about my audience.