Ad tech company Google has helped retailers resist Amazon 's growing hold on valuable retail data by offering anonymised , aggregated customer data from online and in - store shopping platforms . Write to Lara O’Reilly at lara.oreilly@wsj.com Copyright ©2019 Dow Jones & Company, Criteo 's clients contribute data including customer email addresses , CRM data and records of physical in - store transactions , which is then pooled with data offered by other customers and can be used as a database . The company , which has grown on the strength of its re - targeting service , has a customer base of 11,000 , and receives information on $ 1 in annual commerce sales , it said .
Ad tech company Google has helped retailers resist Amazon 's growing hold on valuable retail data by offering anonymised , aggregated customer data from online and in - store shopping platforms . Criteo 's clients contribute data including customer email addresses , CRM data and records of physical in - store transactions , which is then pooled with data offered by other customers and can be used as a database . The company , which has grown on the strength of its re - targeting service , has a customer base of 11,000 , and receives information on $ 1 in annual commerce sales , it said .