Using multiple ad types together can help improve full-funnel performance.

The correct answer is True. Using multiple ad types together can significantly improve full-funnel performance by targeting different stages of the customer journey. For example, upper-funnel ad types, such as awareness-focused video or display ads, can capture the attention of a broad audience and generate interest in the brand. As the customer moves down the funnel, mid-funnel ads, such as retargeted display or Sponsored Brands ads, can further engage and nurture the audience, driving them closer to a purchase. Finally, lower-funnel ads, such as conversion-driven product ads, can encourage immediate action. By utilizing a mix of ad types, advertisers can effectively guide potential customers through the entire buying process, increasing engagement, conversions, and overall campaign effectiveness.