What is an auction ad? December 23, 2018 By CertificationAnswers What is an auction ad? An ad from from non-YouTube partners An ad from a non-YouTube ad network Does not exist. An ad sold to the highest bid Related content Related posts:Which type of ad inventory is bought and sold based…How does YouTube provide opportunity for micro-moments?Which of the following ad formats typically has the…What is the difference between reserve and auction ads?