1.1 What makes a good search engine?1.2 Search is the new normal1.2.1 Structured vs. unstructured (full-text) data1.2.2 Search supported by a database1.2.3 Databases vs. search engines1.3 Modern search engines1.3.1 Functionality1.3.2 Popular search engines1.4 Elasticsearch overview1.4.1 Core areas1.4.2 Elastic Stack1.4.3 Elasticsearch use cases1.4.4 Unsuitable Elasticsearch uses1.4.5 Misconceptions1.5 Popular adoption1.6 Generative AI and modern searchSummary