Amperity is, at its core, a CDP.  But as I suspected, and as Matt Hallett, their head of product solutions revealed, Amperity has something of a secret sauce that has put it right at the center of the explosion in retail media networks. 

Beyond RMN's though, this conversation is one of the best primers you'll find on the differences between CDP types and what makes one better for some applications than others. 

Also a big nod to our sponsor for this episode, TheCRMC.