Explore the concept of Data.js in this JSConf EU 2011 talk by Michael Aufreiter. Delve into topics such as Substance, DataChest, and the Semantic Web, while examining use cases and the anatomy of data graphs. Learn about data graph properties, concrete sections, JSON objects, filters, and offline applications. Discover conflict management techniques, understand DataChase, and learn how to connect to remote data graphs and fetch documents. Gain insights into the future of data management and web development through this comprehensive presentation, concluding with a Q&A session.