What is Programmatic Advertising?
Programmatic advertising is the automated buying and selling of advertising, usually through software auctions that decide, impression by impression, which ad appears.
Why does Programmatic Advertising matter for marketers?
It is how most digital display and video advertising is bought, so changes to identifiers, privacy rules and platform AI directly change what advertisers can target and measure.
Where does Programmatic Advertising stand today?
Wikipedia reports that real-time bidding spending in the United States reached about $57 billion in 2023, up from $23.5 billion in 2018. In 2023 The Trade Desk launched Kokai, an AI-based buying platform, and in 2026 Google began moving Dynamic Search Ads to AI Max. The UK data regulator has reported that firms in the ecosystem were trading sensitive information without consent.
Common use cases
- Buying display, video and connected-TV impressions across many sites
- Reaching audiences with data from several sources
- Optimizing spend toward conversions with automation
In real-time bidding, a page visit triggers a bid request containing information about the user and the page. An ad exchange passes it to advertisers’ systems, which submit bids from predetermined budgets and models; the highest bid wins and the ad is shown instantly. Wikipedia notes that demand-side platforms have only about 10 milliseconds to respond to an offer.
Who takes part
Demand-side platforms act for advertisers and agencies; supply-side platforms represent publishers; the ad exchange runs the auction; and data management platforms enrich user data for targeting.
Concerns
The reference sources list click and impression fraud, malicious advertising and the privacy implications of sharing user data among many companies. The UK Information Commissioner’s Office has reported firms collecting and trading information such as race, sexuality, health status or political affiliation without consent.