What is the main advantage of using programmatic advertising?

The primary advantage of using programmatic advertising is that it significantly increases efficiency and effectiveness in the ad buying process. Programmatic advertising automates the purchasing and placement of ads by leveraging technology and algorithms, allowing advertisers to reach their target audiences at scale with greater precision. This automation reduces the time and effort associated with manual ad buying, enabling marketers to focus on strategy and creative aspects of their campaigns instead.

Additionally, programmatic advertising utilizes real-time bidding (RTB) and data analytics, which help advertisers optimize their campaigns based on performance metrics. Advertisers can analyze user behavior, preferences, and demographics to deliver personalized ads, ultimately improving engagement and conversion rates. This level of efficiency and effectiveness is a key differentiator that sets programmatic apart from traditional advertising methods.

The other options provided are not aligned with the core benefits of programmatic advertising. Higher costs for advertisers, decreased targeting options, and mandatory use of traditional media do not represent the advantages of using this digital advertising approach, making them less relevant in the context of the question.