Between AI-powered chatbots and gadget-based voice assistants, cognitive computing capabilities have captured the public imagination. But consumer products are just the tip of the iceberg. Under the surface, cognitive computing adoption in the business world is growing rapidly. In fact, IDC predicts that global spending on cognitive systems will grow to more than $31 billion by 2019. And within the next two years alone, half of all consumers are expected to interact with cognitive technology on a regular basis, even if they don't realize it.