The document discusses emerging trends in search technologies, including new ways of crawling, indexing, and ranking webpages. It outlines Google's development of distributed indexing using links clicked (WOWD), information extraction from sensors in mobile devices and self-driving cars, and knowledge panels/cards to provide contextual information to users. Ranking is moving towards prioritizing entities and their relationships rather than just text, as well as factors like user authority, freshness of news articles, and website quality signals. The future of search involves understanding aspects and relationships between topics rather than just individual pages or strings.