CRM and analytics provider Salesforce (NYSE: CRM) announced yesterday that it has signed a definitive agreement to acquire analytics platform Tableau Software (NYSE: DATA) in an all-stock transaction. Each share of Tableau Class A and B common stock will be exchanged for 1.103 shares of Salesforce common stock, in a deal worth an estimated $15.7 billion (net of cash), based on an average share price for Salesforce stock as of June 7, 2019.