That's not the reason, it's ad fraud. They are most likely paid on CPC (cost per click) and forcing clicks in a hidden iframe. Or they are "stuffing cookies" fo

That's not the reason, it's ad fraud. They are most likely paid on CPC (cost per click) and forcing clicks in a hidden iframe. Or they are "stuffing cookies" for an affiliation link, betting that you might buy on that store later on - and getting a commission out of it.