I would assume the issue was that they had to give these companies data in order to match up a facebook user with an ID in the third party systems. See, for exa

I would assume the issue was that they had to give these companies data in order to match up a facebook user with an ID in the third party systems. See, for example, BlueKai's integration documentation: https://docs.oracle.com/en/cloud/saas/data-cloud/dsmkt/integrating-oracle-bluekai-platform.html https://docs.oracle.com/en/cloud/saas/data-cloud/dsmkt/integ...