Decisions : how we decide and why it matters : human agency and changing the world -- Rules : the governance of cyberspace offers a cautious tale of hype, hope, and failure -- Falsities : two ways to approach the problem of misinformation -- Bias : why we can't expect AI to solve deep-rooted flaws in human decision-making -- Doubt : incomplete information and the problem of irreversibility -- Principles : guardrails should empower individuals, be socially anchored, and encourage learning -- Self-restraint : how to avoid the governance trap of too much context-awareness, or not enough -- Range : four case studies that illustrate the art and science of making innovative guardrails -- Machines why technology is neither anathema nor a panacea, but a valuable piece in the puzzle -- Futures : how to think about the exercise of power as humans approach a new digital frontier --
