(BBC News) Blocking ads could become much harder if Google makes proposed changes to its Chrome web browser, warn developers.
The changes could "destroy" ad-blockers, said one maker of widely-used blocking software.
Others said the update would make it far harder for users to stop firms tracking them online and make it easier for them to be bombarded with ads.
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Google said the proposals were a "draft" and added that it would work with developers to limit their impact.