Google is the most widely used search in the world, it holds the total share of 87% of total search engine usage. Following are the features that I think made google as unique: Extract millions of details in seconds. Available in almost all the countries Multi lingual SEO friendly Products are unique and easy to access from the search like Gmail, Google Drive, etc… Search includes text, image and voice. Google Map integrated with google search is also plus to the product. Continuous algorithm update to provide best result to the users and much more.