Just wanted to state that the 1 star reviewer is c...

Just wanted to state that the 1 star reviewer is clearly ignorant in not only how Certona does business, but how the internet works.
Certona's algorithm helps create recommendations based on multiple factors PER SITE. No information identifies you, nor does it follow you to other sites.
They have increased sales across the board for their clients and are a leader in the field.
I want to stress again that no personal data is collected or used in any way.