Advertisers clinging to traditional media should be very concerned about their cord-cutting customers. More than ever, it’s vital for brands to incorporate OTT (over-the-top) programmatic advertising into their marketing mix for optimal results.         Migration away from cable/satellite TV has picked up speed—25% of respondents said that they canceled their cable/satellite television service within the past two months. There is a corresponding movement toward video-on-demand services such as Netflix, Hulu, and Amazon Prime; 46% of consumers say…