In retail, Amazon and Tesco have blazed trails, mining insight from millions of consumers at scale to better buy stock and recommend appropriate products to consumers. In finance, American Express is crunching account holders' transaction history en masse to identify loyalty and pre-empt churn. And, in sport, player and match data is now so abundant that clubs like Chelsea are examining attributes of players from leagues around the world to spot new talent. With a few exceptions, however, the TV industry is still not taking full advantage of the data opportunity to plan its future better.