Explore advanced scenarios and use cases for Elasticsearch in this conference talk from EuroPython 2015. Delve into trend detection techniques using the aggregation framework to leverage full-text properties beyond simple counting. Discover how to utilize the percolator for reversed search applications, including language detection, geo-location identification, and powering live search functionality. Learn about innovative ways to employ search engine features for complex data analysis, such as geo-enabled search with relevancy. Gain insights into pushing Elasticsearch beyond its basic applications for document searching and analytics, uncovering its potential for sophisticated data processing and analysis tasks.