We’re nearly 18 months removed from the implementation of the EU’s General Data Protection Regulation (GDPR). After all of the panic leading up to GDPR enforcement, we can safely say that the marketing world has not grinded to a halt due to compliance challenges. But after Google was fined $57 million for violations earlier this year, previously theoretical GDPR compliance concerns became all too real. And for marketers, the pressure to adapt is mounting. Because third-party data plays such a…