Acquisitions of, or by, major CDP vendors have been vanishingly rare in recent years.  So news that ActionIQ   had been purchased by Uniphore generated an especially large amount of interest.  Let’s look at it from three perspectives. 1.    Significance for ActionIQ.  Although ActionIQ has been a significant CDP since its founding in 2014, the company was always a bit different from most other CDPs.  Rather than starting as a tag manager or messaging platform, ActionIQ’s roots were in big data technology: co-founders Tasso Argyros and Nitay Joffe were, respectively, the founder of big data engine Aster Data (purchased by Teradata in 2011) and a leading data engineer at Facebook.  Not surprisingly, the company’s approach to CDP was also driven by data technology: in particular, it used in-memory storage to support high volume, real time use cases.  In recent years, the company evolved its technology to offer component-based and warehouse-native options in…