Already, many companies suffered real damage when their algorithms led to discriminatory, privacy-invading, and even deadly outcomes. In this environment, AI ethics isn't merely an academic curiosity. It's a business necessity. In "Ethical Machines," Reid Blackman gives organizations what they need to understand AI ethics as a risk management challenge. Chapter 3 looks at why explanations, including machine explanations, are ethically important and describes the rule of thumb when it comes to determining whether explainability is necessary for an organization and how important it is in relation to other goals.