CONTENTS -- ACKNOWLEDGMENTS -- INTRODUCTION: NUMBERS THAT MATTER -- PART I Theory -- Beyond Broadband Access: What Do We Need to Measure and How Do We Measure It? -- Understanding Digital Gaps: A Quartet of Empirical Methodologies -- Broadband Microfoundations: The Need for Traffic Data -- Adoption Factors of Ubiquitous Broadband -- Data and Modeling Challenges in International Comparisons -- Data, Policy, and Democracy -- "Rulers of thousands, hundreds, fi fties, and tens": Does Democracy Count? -- PART II The Use and Abuse of Data in Information Policy Making -- PhD Heal Thyself: In Search of Evidence-based Research for Evidence-based Policy -- Case Studies in Results-Driven Decision Making at the FCC -- The Determinants of Disconnectedness: Understanding US Broadband Unavailability -- European Broadband Spending: Implications of Input-Output Analysis and Opportunity Costs -- Using Data for Policy Development: Designing a Universal Service Fund for Tanzania -- NOTES -- BIBLIOGRAPHY -- CONTRIBUTORS -- INDEX.