Brian Dalgetty discusses the impact of the Internet of Things (IoT) and how IBM Watson IoT is addressing challenges in capturing and responding to data from IoT devices in real time. The IoT connects physical devices to collect and share data through sensors and connectivity. By 2020, there will be 25 billion IoT devices installed, creating $3.6 trillion in economic impact annually. IBM Watson IoT uses cognitive technologies like machine learning and natural language processing to help organizations improve operations, customer experiences, and create new business models from IoT data.