Courts docs show how Google slices users into “millions of buckets”
The online giant probably knows more about you than the NSA — including things you might not even tell your mother.
The first law of selling is to know your customer. This simple maxim has made Google into the world’s largest purveyor of advertisements, bringing in more ad revenue this year than all the world’s newspapers combined. What makes Google so valuable to advertisers is that it knows more about their customers — that is to say, about you — than anyone else.