Xandr is creating a better solution for advertisers and publishers to find and reach specific audiences at scale in trusted, premium content environments. As a current leader in advanced TV advertising, we help advertisers deliver the right message, at the right time, on almost any device through our AppNexus technology. We are rooted in a tradition of responsible data usage. For more than 140 years, AT&T has used data and technology to inform and improve the customer experience.