¿Cuál es una característica clave de Amazon DSP que permite a los anunciantes llegar a una amplia gama de audiencias?

The correct answer highlights Amazon DSP's robust audience targeting capabilities, which are crucial for reaching a wide range of audiences. Amazon DSP allows advertisers to leverage Amazon's proprietary modeled audiences (based on shopping and browsing behavior), integrate their own first-party data through Amazon Marketing Cloud (AMC) for advanced segmentation and analysis, and utilize third-party audiences for broader reach. This comprehensive approach to audience targeting is a key differentiator for Amazon DSP. The option about buying ads programmatically across multiple channels describes a core function of any DSP, not a unique feature that specifically enables reaching a wide range of audiences. While true, it's less specific to the "how" of audience reach compared to the correct answer. The option about selling on Amazon and other external websites describes Amazon's retail platform capabilities (e.g., Seller Central, Vendor Central), not the advertising functionalities of Amazon DSP.