How big a problem is zombie martech? Half (51%) of the respondents to this Demand Metric survey for Integrate said they have a great or very great amount of redundant or unused tech. But they don’t seem too worried about it: 64% said their current martech stack supports them well or very well, 44% plan to increase their marketing ops and martech spending, and more plan to add new systems (32%) than to make their stack smaller (26%). Interesting.

CDP and marketing cloud vendor Zeta Global announced an agreement to purchase LiveIntent, which helps companies do email-based advertising.  The deal will let Zeta expand its identity graph, enter the publisher monetization business, and accelerate its mobile and retail media products.  Zeta will pay $77.5 million in cash and $172.5 million in common stock, with potential for additional payments based on performance.