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The document discusses how search has evolved from a focus on relevance to also prioritizing temporality and semantics. It presents best practices for search design like using a fast and simple interface with relevant results, faceted navigation, and federated searching. The document also provides a case study of how one company improved their search functionality through features like synonyms, stemming, spelling correction, and faceted searching. This enhanced the user experience and provided business benefits to the company. Emerging areas that could further improve search include autocomplete, personalization, and optimizing search for mobile.Read less