How did Martin Heidegger use the term das Man, or “the They”?

In his seminal work Being and Time (1927), Martin Heidegger uses the term das Man, or "the They," to characterize the anonymous, conformist nature of everyday existence.12

Heidegger argues that most human beings lead an "inauthentic" life by conforming to the expectations and standards of this anonymous collective. Rather than confronting their own finitude—most notably the inevitability of death—individuals often seek distraction and escape through inauthentic modalities such as idle talk, curiosity, and ambiguity.12

By adopting the notion of das Man, Heidegger highlights a form of existential passivity where the individual fails to actualize their own potential for "Being-a-self". In contrast, authentic existence involves heeding the "call of conscience" to move beyond this conformity and take responsibility for one's own Being-in-the-world. This concept reflects Heidegger’s broader critique of "mass society," a perspective influenced by earlier thinkers like Søren Kierkegaard and Friedrich Nietzsche.12