Amazon Ads and Roku Inc. have announced an exclusive partnership aimed at creating the largest authenticated Connected TV $(CTV)$ footprint in the U.S. This collaboration positions Amazon as Roku's most addressable demand-side platform $(DSP)$ for CTV activation, offering advertisers unprecedented capabilities in TV advertising. The partnership will provide access to an estimated 80 million U.S. CTV households, representing over 80% of U.S. CTV households. By integrating Amazon DSP with Roku's platform, advertisers can achieve enhanced planning, audience precision, and performance. The collaboration includes major streaming apps such as The Roku Channel, Prime Video, and other leading services available on Roku and Fire TV, delivering improved performance and measurable outcomes for advertisers.