• By utilizing AI to make decisions around how much money is budgets to various channels like YouTube and Search
• By letting advertisers create and manage individual text, image, and video ads so that they can better tailor their ads to their intended audience
• By optimizing campaigns across channels manually and insights into performance drivers
• By promoting a particular product or service in a single campaign that covers almost all Google Ads inventory

The correct answer is: By promoting a particular product or service in a single campaign that covers almost all Google Ads inventory

Explanation: A Performance Max campaign operates by promoting a specific product or service across almost all Google Ads inventory, all within a single campaign. This allows it to reach a wider audience and increase potential customers. Using Google’s real-time consumer insights, the campaign strategically shows up at key moments that enhance customer engagement and conversion towards the advertiser’s goals.