Amazon.com, Inc. is an American multinational technology company based in Seattle that focuses on e-commerce, cloud computing, digital streaming, and artificial intelligence. It is considered one of the Big Four tech companies, along with Google, Apple, and Facebook.Amazon is known for its disruption of well-established industries through technological innovation and mass scale. It is the world's largest online marketplace, AI assistant provider, and cloud computing platform as measured by revenue and market capitalization. Amazon is the largest Internet company by revenue in the world. It is the second largest private employer in the United States and one of the world's most valuable companies.

Amazon

Tableau Software ( tab-LOH) is an American interactive data visualization software company founded in January 2003 by Christian Chabot, Pat Hanrahan and Chris Stolte, in Mountain View, California. The company is currently headquartered in Seattle, Washington, United States  focused on business intelligence. On August 1, 2019,  Salesforce.com acquired Tableau.Chabot, Hanrahan and Stolte were researchers at the Department of Computer Science at Stanford University  who specialized in visualization techniques for exploring and analyzing relational databases and data cubes. The company was started as a commercial outlet for research produced at Stanford between 1999-2002. 