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BadMen: How Advertising Went From A Minor Annoyance To A Major Menace Highlight
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— Bob HoffmanAccording to Pivotal Research Group, in the third quarter of 2016, 99% of all new online ad revenue went to Goobook.
Replicated under Fair Use from BadMen: How Advertising Went From A Minor Annoyance To A Major Menace by Bob Hoffman. (Pg. 66)