Google has a myriad of ways to make the search engine results page (SERP) livelier. When you input a search query, the engine’s mission is to provide you with the most relevant information with as few clicks as possible. Often, this means that you’ll see the answer to your query directly in the SERP:
See also Dr. Pete’s excellent description of variation in the SERP (note that this post is from 2013, and not all the data types are relevant today).
