An advertiser wants to make sure their AI-driven strategy expansion reaches all relevant users with dynamic messaging. Which pillar of Search Excellence addresses this?

The "Targeting and creatives" pillar of Search Excellence focuses on reaching the right users with compelling messages. An AI-driven strategy expansion that aims to reach "all relevant users with dynamic messaging" directly aligns with this pillar. Effective targeting ensures ads are shown to the most appropriate audience, while dynamic creatives allow for personalized and relevant messaging, both crucial for maximizing reach and engagement. "Bidding goals" relate to optimizing bids for specific outcomes, not directly to user reach or message dynamism. "Demand-led budgets" concern budget allocation based on market demand, which is a financial strategy rather than a user-centric one. "Data strength" refers to the quality and quantity of data used for optimization, which underpins all pillars but isn't the direct pillar for reaching users with dynamic messages.