Critical theory originated as a radical social theory that critiqued how science had become an ideology that shaped social action. The intellectual project of critical theory sought to integrate social values, judgments, and interests into social science. Key principles of critical theory include critiquing rationality and capitalism, and examining how overly rational and technical philosophies detract from reflection on moral and ethical issues. Critical theory was established by the Frankfurt School theorists Herbert Marcuse, Theodor Adorno, Max Horkheimer, Walter Benjamin, and Erich Fromm. In education, critical theory has been integrated through social learning practices that use online networks to support knowledge development in diverse, open, autonomous and connected ways, with teachers taking on more of a facilit