That we should behave and act responsibly seems to be a self-evident norm hardly questioned by anyone. Yet, historically speaking, this is fairly new – only 200 years ago, “responsibility” was a rather marginal legal concept with no ethical significance. So what does the surprising career of “responsibility” mean, both for our thinking and our acting? What happens when “responsibility” becomes a required self-understanding for individuals at the workplace, in the welfare state or in the criminal justice system? And what are the consequences when philosophy’s analyses of “responsibility” focus almost exclusively on conditions of agency mostly absent in non-philosophical practices?