Though ad blocker user growth is slowing in the UK, publishers’ lost digital ad revenues remain a major concern. The industry is now grappling with the best path forward—especially during a time when the General Data Protection Regulation (GDPR) has heightened consumer awareness of privacy and data collection. Here, agency executives, publishers and other industry experts share their views on the real magnitude of ad blocking, whether technology can solve the problem and the effects of GDPR. For more, read eMarketer's September report, "Ad Blocking in the UK 2018 Growth Slows as Behavior Becomes Part of the Mainstream."