There's no doubt about it: the Customer Data Platform is the consummate poster child for martech in 2019. It seems like there's a new offering up almost weekly, and everyone is getting on board. Massive marketing clouds and the smallest of startups alike have added their version of the CDP to the mix, but as many of us have learned by now, they're not all created equal - and this leads to a whole mess of issues. Here are 5 things we all hate about the CDP trend.