Azure Cognitive Services is a collection of cloud-based tools and APIs provided by Microsoft that enable developers to add intelligent features to their applications. These services cover various areas, including vision, speech, language, and decision-making, allowing apps to understand and interpret human behavior and natural language. With Azure Cognitive Services, businesses can enhance user experiences by integrating capabilities like image recognition, speech-to-text conversion, and sentiment analysis. This makes it easier for organizations to build smarter applications that can interact with users in more meaningful ways, ultimately improving efficiency and engagement.