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The Bot Baseline Fraud in Digital Advertising

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Appendix CExternal Study ContributorsWhite Ops worked with several study contributorsto provide additional <strong>in</strong>sight <strong>in</strong>to the study results.ChartbeatChartbeat, a betaworks company that providesreal-time analytics to websites and blogs, provideddata for comparison of bot and human engagementand viewability metrics. Chartbeat matched 120 millionimpressions with White Ops data on 87 publishers.GhosteryGhostery ® is a global technology company thatprovides solutions for onl<strong>in</strong>e transparency and controlto <strong>in</strong>dividuals and bus<strong>in</strong>esses. Ghostery provided <strong>in</strong>sight<strong>in</strong>to trackers runn<strong>in</strong>g on the study’s top 10,000 doma<strong>in</strong>sby traffic volume, the study’s worst bot sites, and topAlexa sites.GrapeshotGrapeshot is a software technology company us<strong>in</strong>gadvanced Information Retrieval techniques pioneeredat Cambridge University. For the study, Grapeshotprovided doma<strong>in</strong> characteristics data for 13,000doma<strong>in</strong>s. White Ops used this data to identify bottrends by doma<strong>in</strong> category.56

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