Big brands face risks from big data moving too fast for them to keep up. Most brands stick to traditional data practices rather than taking advantage of growing customer data. Meanwhile, data is exploding in amount and value as it is increasingly generated by consumers. Well-managed companies can fail when they cannot adapt to disruptive technologies, allowing others to steal their market. To avoid this, brands must learn to better analyze and use customer data for competitive advantage before disruptors emerge to do so.