| http://www.w3.org/ns/prov#value | - all advertisers thought click fraud was a significant problem that they had tracked, while none of the large advertisers agreed and 4% of agencies thought click fraud was a significant problem.On average, across advertisers, 19% of advertisers believe that click fraud is a moderate problem and agencies agreed with 30% weighing in.The full data on the question is as follows:Q19: In your experience,
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