Publishers have tried to combat the rise of ad blockers with a group of France's top news agencies launching a week-long campaign blocking ad-blocker users from accessing their websites. Photo: Getty

Ad blockers will cost publishers US$27B by 2020, says British study

This comes as digital ad spending is expected to shoot up annually to more than US$239 billion in the next three years

Topic |   CNBC

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Publishers have tried to combat the rise of ad blockers with a group of France's top news agencies launching a week-long campaign blocking ad-blocker users from accessing their websites. Photo: Getty
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