https://archive.org/stream/commercialismjou00holtuoft#page/n...
AdTech creates measurement problems not experienced in mass advertising, newer yet:
https://idlewords.com/2015/11/the_advertising_bubble.htm
https://archive.org/stream/commercialismjou00holtuoft#page/n...
AdTech creates measurement problems not experienced in mass advertising, newer yet:
https://idlewords.com/2015/11/the_advertising_bubble.htm