In this PowerDataChat tutorial, we show how to create a Venn diagram from customer purchase data. A Venn diagram is useful when you want to understand overlap between different groups. In this demo, we analyze customer overlap across product categories and identify which customers bought from one category and which customers bought from multiple categories. This type of analysis can help businesses with customer segmentation, cross-selling, marketing campaigns, and understanding customer behavior. With PowerDataChat, you can ask questions to your data in plain language, create visualizations, and continue exploring your data through chat.