Microsoft makes a shrewd move with the acquisition of Datazen.  The product / technology will compete directly with the undisputed leader – Tableau (according to Gartner) .

“Datazen technology and solutions will complement Power BI, our cloud-based business analytics service, rounding out our mobile capabilities for customers who need a mobile BI solution implemented on-premises and optimized for SQL Server”

Microsoft acquires mobile business intelligence leader Datazen