The document discusses Google's Knowledge Graph, which was introduced in 2012. The Knowledge Graph enhances search results by incorporating information from sources like Wikipedia to provide structured information about search topics. It aims to understand search queries better and provide relevant information without users needing to click through to other sites. The Knowledge Graph displays information in a more visual way on the right side of search results and could impact ad placement. It facilitates finding related information and benefits users and advertisers by providing more specific results.