1) The Internet of Things (IoT) refers to a network of physical objects embedded with sensors that are connected via the internet. These objects can communicate and interact with each other to achieve common goals.
2) IoT has applications in various industries like industrial automation, smart homes, smart healthcare, smart cities, logistics, retail, and more. It allows for remote monitoring and management of devices and systems.
3) The future of IoT is promising as more "things" become connected and new applications are discovered. Challenges around security, privacy, and data management will need to be addressed for IoT to reach its full potential.