> that may mean that individual tracking & targeting simply didn't add much value in attracting customers and sales. No, personalized advertising is the key to

> that may mean that individual tracking & targeting simply didn't add much value in attracting customers and sales. No, personalized advertising is the key to Google's ad success. The main reason Google is doing this is to cement their ad monopoly. They have all the data now, when they turn off 3rd party cookies, no one will be able to compete with them.