Ads appeared in the late 90's. That's a far cry from even being the foundation of the web. Ads are very important to the web as it exists, but to claim anythin

Ads appeared in the late 90's. That's a far cry from even being the foundation of the web. Ads are very important to the web as it exists, but to claim anything foundational is just ignorant. Formative could be argued, though.