This paper says it is lawful. https://www.iabeurope.eu/wp-content/uploads/2017/11/20171128-Working_Paper03_Consent.pdf https://www.iabeurope.eu/wp-content/uplo

This paper says it is lawful. https://www.iabeurope.eu/wp-content/uploads/2017/11/20171128-Working_Paper03_Consent.pdf https://www.iabeurope.eu/wp-content/uploads/2017/11/20171128...