The Infinite Brief

Ad categories include male impotence, substance abuse, right-wing politics, left-wing politics, sexually transmitted diseases, cancer, mental health and more.

Highly sensitive assumptions such as these are then systematically shared with thousands of third party companies, via the real-time ad auction process, which powers the modern online advertising system.

This practice is already the target of a legal complaint in Europe, filed under the bloc’s General Data Protection Regulation (GDPR).