The presentation discusses the Internet of Things (IoT) and its applications in smart cities. IoT involves connecting physical devices with sensors to the internet, allowing them to collect and share data. This enables applications across various industries like manufacturing, transportation, healthcare and more. Some key benefits of IoT include improved communication, automation, cost savings and predictive analytics. Major challenges remain around data storage, security and privacy. The presentation predicts that by 2020 there will be over 24 billion connected IoT devices generating $13 trillion in economic value annually. Finally, it outlines how IoT can enable smart infrastructure around transportation, energy grids, homes and cities.