[monsieurbanana]

That's not an unpopular solution. Because it's not a solution at all.

What you just said: "Here's what I would do: I would make a perfect world. How? That's for you to figure out."

How would you get rid of ads? If you can't answer that, the best you can do is write a fiction book.

[TeMPOraL]

One straightforward (though possibly not the best) way: just ban ads on-line.