The main benefit of using analytics in marketing strategies is its ability to provide insights into customer behavior and campaign performance. By analyzing data such as engagement metrics, conversion rates, and customer feedback, companies can make data-driven decisions that optimize their marketing efforts. This can lead to higher return on investment (ROI), improved targeting, and enhanced customer experiences. Additionally, analytics enables real-time monitoring, allowing for swift adjustments to strategies based on performance and market trends, fostering a more agile marketing approach.