Advertisers must ensure that valuable audiences aren’t being inadvertently excluded by crude keyword blocking, according to IAB UK’s Tina Lakhani. Effectiveness is, arguably, the bedrock of our industry. From ad plans to awards, our understanding of effectiveness is fundamental to fuelling ad investment, shaping creativity and, ultimately, measuring success. But, while effectiveness remains – and always will be – central to advertising, what about the other ‘e’? I’m talking about ethics.