The huge quantities of metadata generated by over-the-top programming poses an opportunity for new revenue streams, said Siemens executive Steve Wong and media tech consultant Christy King at an HPA Tech Retreat panel on “Big Data, Big Dollars for Post in an OTT World.” Wong noted that a tremendous amount of data about a production is generated through production, from scriptwriting software through scheduling and budgeting. That’s why it frustrates him that nearly everyone has been served irrelevant ads online. “We know so much about you,” said Wong. “If I can capture that information, I can use it in a predictive way for pre-roll ads based on what you’re looking at.” Therein lies the opportunity for post houses. “Why not offer your clients if you’re in post, that capability,” he said, noting that most content creators are overwhelmed by the idea of culling their own metadata. “I think that’s your opportunity.”…