Brooklyn-based data scientist Fred Benenson was surprised to get a follow up email from Sears after browsing their site, despite not having signed up for
their email list. Instead of deleting the email, he traced the source and found that direct marketing agency Criteo had been hired by Sears to pull his email from a partner database. Benenson
could not figure out which company had sold his email address, but he suspects that whoever it was had dropped a Criteo cookie in his browser and in turn gave his data to Criteo. Read the whole story at Technical.ly Brooklyn »