It's frequently ineffective because it's frequently done mindlessly, because it's possible to do so at enormous scale for low cost. The equivalent in the onlin

It's frequently ineffective because it's frequently done mindlessly, because it's possible to do so at enormous scale for low cost. The equivalent in the online world would be to pay site X to show ad Y at times Q-Z. And then you just trust that they'll do so, like you have to do for print/TV ads, and pay the site. That does happen, and you can find quite a lot of company blog posts out there saying that it works, but it's much more manual so yeah. It isn't the majority.