DESCRIPTION : Data plays a crucial role in media planning and buying, shaping the way brands allocate resources, target audiences, and optimize campaign performance. In today's digital-first landscape, the abundance of data from various sources—such as customer behavior, preferences, and engagement patterns—allows brands to make informed decisions. With precise data, media planners can identify the most relevant channels and platforms to reach their target audience, ensuring higher efficiency in spending. Data-driven insights enable brands to predict trends, refine targeting, and adjust campaigns in real-time for better outcomes. Moreover, data helps measure the success of advertising efforts, providing concrete metrics such as impressions, clicks, conversions, and ROI. In media buying, data facilitates programmatic advertising, where real-time bidding and audience segmentation are enhanced by algorithms. Ultimately, using data in media planning and buying leads to more personalized, effective, and cost-efficient campaigns, allowing brands to maximize their reach and impact while minimizing wasteful spending.