A Demand Side Platform (DSP) is primarily used for what purpose?

The primary purpose of a Demand Side Platform (DSP) is to provide centralized media buying from various sources. A DSP allows advertisers to manage and optimize their digital advertising campaigns across multiple ad exchanges and networks from a single interface. This centralized approach enables advertisers to bid on inventory in real-time, making it easier to reach their target audience efficiently while controlling costs.

With a DSP, advertisers can leverage data to improve campaign performance, access a broad array of inventory, and utilize advanced targeting methods. This capability to integrate various media buying processes makes a DSP an essential tool in programmatic advertising, which automates the buying, selling, and delivery of online ads.

Other options such as creating television advertisements or managing social media ad placements do not align with the core functionalities of a DSP, as they focus on different facets of advertising that are not centralized in the same way. Similarly, while email campaign management is important, it falls outside the scope of what a DSP specializes in. Thus, B accurately reflects the fundamental role of a Demand Side Platform in the digital advertising ecosystem.