Sitecore Cortex uses machine learning to analyze the experience data collected through Sitecore platforms. It centrally manages content from different sources and measures content effectiveness. It integrates analytics data from various digital channels to power personalization, marketing automation, and predictive outcomes. The Sitecore Cortex data processing engine scales to process large amounts of structured data from Sitecore databases to train machine learning models. This helps suggest personalized experiences and predict user behavior based on patterns learned from the data.