According to Nate Woodman, GM of demand solutions at IPONWEB, a small club of marketers is working on proprietary machine-learning models. Doing so won't be easy. "The challenge to the industry, and it's a daunting one, is to find a way to spread proprietary algorithms across programmatic platforms," he says in this episode. "Most brands aren't even close to realizing this vision, but some are making overtures."