Good point. I think lack of competition inflates the 'share of revenue' online marketing services can extract. And competitive alternatives are nerfed due to th

Good point. I think lack of competition inflates the 'share of revenue' online marketing services can extract. And competitive alternatives are nerfed due to the app store hegemony and the anti-competitive behavior and dark patterns of giants like Google & FB. They needed to nerf the open web to maximize their profits, so they did.