Why is it important to review historical data before launching a media campaign?

Reviewing historical data before launching a media campaign is crucial primarily because it serves as a valuable tool for predicting future performance. Analyzing past campaign data allows marketers to identify trends, understand audience behavior, and recognize patterns in engagement and conversion rates.

This predictive capability helps in making informed decisions about targeting strategies, budget allocation, and channel selection. For instance, if historical data shows that certain demographics respond better to specific types of messaging or channels, marketers can tailor their strategies accordingly to enhance their chances of success. Furthermore, historical performance metrics also assist in setting realistic KPIs and expectations for the new campaign, ensuring that resources are utilized effectively for maximum return on investment.

The other options, while relevant to different aspects of media planning, do not encapsulate the primary benefit of analyzing historical data as accurately as the prediction of future performance does.