Home - Grow Offline Sales Certification - You’re interested in omnibidding, but realize that some categories are offline only. Which of these omnibidding setups is optimal? You’re interested in omnibidding, but realize that some categories are offline only. Which of these omnibidding setups is optimal? 2shares Facebook Twitter Pinterest LinkedIn Skype Facebook MessengerQuestion: You’re interested in omnibidding, but realize that some categories are offline only. Which of these omnibidding setups is optimal? Ad group level Account level Campaign level Ad level The right answer was: Campaign level