By adding the features that those new age startups launch: https://www.elastic.co/guide/en/elasticsearch/reference/current/knn-search.html https://www.elastic.c

By adding the features that those new age startups launch: https://www.elastic.co/guide/en/elasticsearch/reference/current/knn-search.html https://www.elastic.co/guide/en/elasticsearch/reference/curr... Building a classic text search engine is way harder than building a KNN engine, and bolting a KNN engine into a term search engine is easier than the other way around.