Interactive whiteboards are large displays connected to a computer that allow users to control the computer display using a pen, finger, or other device. They are used in many classrooms as replacements for traditional whiteboards or flipcharts. Teachers can record lessons and post them for students to review. This benefits students who learn through repetition or struggle with material. There are different types of interactive whiteboards, including touch-based, pen-based, and portable ultrasonic versions. Effective use of interactive whiteboards in classrooms can improve learning, increase participation, enable collaboration, and provide immediate feedback.