Firstly, Elasticsearch helps to perform and combine structured, unstructured, geo, metric, and any other searches needed.
Secondly, Elasticsearch aggregations help to zoom out to explore and analyze trends and patterns in data and understand the bigger picture. This type of Elasticsearch usage is recognized in E-Commerce projects and is also loved by business analytics. As metaphorically mentioned on the official website, Elasticsearch helps to discover the expected and uncover the unexpected.
Elasticsearch services are used by various companies and organizations, including giants such as GitHub, Stack Exchange, Blizzard, Dell, eBay, Warner Brothers, Netflix, Facebook, Slack, BBC, Walmart, USAA, and a lot more.