> most of the people responsible for ad spending have no idea where their ads are actually running, let alone how they’re performing, and certainly have not bru

> most of the people responsible for ad spending have no idea where their ads are actually running, let alone how they’re performing, and certainly have not brushed up on the latest research papers. That’s especially true for the small and medium-size businesses that make up the bulk of Google and Facebook advertising customers. Question: how’s a small business supposed protect themselves from click fraud? Incidentally, this was first published a year ago. Ad Tech seems as powerful as ever. Any interesting updates on this subject?