The document discusses the use of audience response systems, also known as clickers, in educational settings. It provides an overview of clickers and their benefits, including increasing interactivity and engagement among students. Clickers allow teachers to pose questions to students and immediately display responses, facilitating discussion and enabling teachers to tailor their lessons based on students' understanding. The document reviews literature showing that clickers promote active learning and improve learning outcomes and satisfaction when used for activities like lectures, discussions, polls, and formative assessments. Key benefits are their ability to provide real-time feedback to teachers and interactive participation for students.