The role of the teacher is changing in the 21st century. Teachers must not only impart knowledge and skills, but also act as facilitators of learning, mentors, and guides. They must be adept at using technology, creating a positive learning environment, and fostering a love of learning in their students. Internet of Things (IoT) The internet has revolutionized the way we live, work, and communicate. It has transformed everything from shopping and entertainment to education and healthcare. As more and more people around the world gain access to the internet, its impact is only set to grow.