How GDPR will impact Facebook, Google and online advertising

Brands could see the price of personalised online advertising skyrocket from the end of this month, as the EU’s General Data Protection Regulation (GDPR) comes into force. The supply of ad impressions that can be targeted using personal data is likely to suffer a significant drop, as it becomes clear how many publishers (or how few) have successfully obtained consent from consumers to use that information.
Some believe online targeting will eventually shift away from the use of personal da