Advertisers get "first dibs" on inventory at a fixed price before it hits the open market. The Bottom Line
As experts at Amazon Ads explain, this automation allows advertisers to purchase ad impressions across websites or apps in milliseconds using data-driven insights.
Advertisers use a Demand-Side Platform (DSP) to automatically bid on that space if the user matches their target criteria.
By targeting specific audiences rather than broad sites, you minimize "wasted" impressions, making your budget work harder.
Programmatic Advertising - What It Is and How It Works - Amazon Ads