The EU's General Data Protection Regulation was announced two years before its May 2018 start date. Yet it is becoming clear that many, including those in the corporate and legal world, and even member state governments in the EU themselves, were not entirely ready for the far-reaching regulation when it came online. From still developing local laws to blockchain problems and a potential head-on collision with social media giants, here's a look at six GDPR complications that have come into focus over the past few weeks: