The number-one job of a marketer is to invest budget wisely to drive sales. That inherently requires accurately measuring the performance of that spending. Yet most advertisers still rely on flawed ...

A trove of documents from I-Soon, a private contractor that competed for Chinese government contracts, shows that its hackers compromised more than a dozen ...

One of the hottest trends in advertising effectiveness measurement, especially with privacy concerns killing user-level online tracking, is geographic incrementality experiments. These experiments are ...