The speaker presented on combining Redis + Structured Streaming with Apache Spark for scaling continuous applications, highlighting new features in both technologies and their potential for real-time data analysis. They showcased a demo using a Node.js app to collect user activity data in Redis Streams and sink it to Apache Spark. The audience asked interesting questions, and the speaker emphasized growing interest in continuous processing and data streaming, publishing an article on setting up Redis Streams and Apache Spark with the Spark-Redis library.