Which of these statements is true of Performance Max campaigns?

Performance Max campaigns are designed to leverage AI to maximize campaign performance across all of Google's advertising networks, including YouTube, Display, Search, and Discover. The correct statement highlights the fundamental aspect of Performance Max campaigns: their optimization capabilities powered by artificial intelligence.

By utilizing machine learning and AI, Performance Max campaigns analyze a variety of factors in real time, such as user behavior and contextual signals, to serve the most relevant ads to potential customers. This automated approach allows advertisers to reach their goals more effectively without needing to manage and optimize each channel separately.

In contrast to this, the other choices emphasize manual control and input aspects that aren’t characteristic of Performance Max campaigns. The essence of such campaigns is to allow the AI to handle the complexities of campaign optimization, thus freeing advertisers from the intricacies of manual management and bidding strategies.