U.S. marketers are struggling to measure the return on their programmatic advertising investment, according to this Forrester study for MediaMath. While 94% say they try to measure programmatic ROI, just 33% say they can do it completely and accurately. More than half (55%) say privacy rules are restricting programmatic targeting and 45% say new rules are making it harder to maintain scale.

Gong’s Web site is like a direct view into the subconscious of those hyper-enthusiastic sales people who make the rest of us nuts but get the job done. The actual product is AI technology that captures video, phone, email, and face-to-face interactions and extracts insights about people, deals, and market events. It must work: they just raised a $200 million Series D, bringing total funding to $334 million. Did I mention their chatbot is a bulldog?

T-Mobile will acquire out-of-home adtech business Vistar Media for $600 million. Vistar Media is managing advertising campaigns across over one million digital screens. Its capabilities will combine with T-Mobile’s customer insights and data and its extensive in-store retail media network.