A highly complex online advertising system makes it hard for big name publishers to find, let alone stop, misleading, malware-laden, and hard-to-close ads.
![](https://www.geoedge.com/wp-content/uploads/2023/01/Fast-Company-600-x-400-450x300-1.png)
A highly complex online advertising system makes it hard for big name publishers to find, let alone stop, misleading, malware-laden, and hard-to-close ads.