Amazon's growing ad business and its partnership with Netflix could reshape connected TV advertising.Amazon (AMZN -0.16%) has quietly built a digital advertising business that's now too big to ignore. In 2024, Amazon Ads generated more than $50 billion in revenue, making it one of the fastest-growing segments of the company.The company's recent partnership with Netflix only underlines Amazon's growing role in the space. By selling Netflix's advertising inventory through Amazon's demand-side platform (DSP), ...