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Chapter 51 –  Censorship and Content Filtering
     Lee Tien
     Seth Finkelstein

Chapter Contents:

   51.1    Introduction
   51.1.1    Scope of This Chapter: Government Intervention
   51.1.2    Whose Laws; Whose Standards?
   51.1.3    Defining Objectional Material: International Differences
   51.1.3.1    Sex
   51.1.3.2    Hate
   51.1.3.3    Politics and Culture
   51.2    The U.S. Context: First Amendment Rights
   51.2.1    What Does the First Amendment Protect?
   51.2.2    Basic First Amendment Principles
   51.2.2.1    Harm/Causation
   51.2.2.2    Neutrality
   51.2.2.3    Precision
   51.2.2.4    Background Doubt-Resolution Principles
   51.2.3    Limitations on Government Interference with Speech
   51.2.3.1    Distinction between Substantive Tests and Procedural Safeguards: Example of Prior Restraints
   51.2.3.2    Levels of Substantive Scrutiny and the Issue of Content Neutrality
   51.2.3.3    Types of Procedural Scrutiny: Vagueness and Overbreadth
   51.2.4    Exceptions Where Speech Can Legally Be Limited
   51.2.4.1    Neutral Laws of General Applicability
   51.2.4.2    Constitutionalization of Crimes and Torts: Advocacy of Illegality, Threats, and Defamation
   51.2.4.3    "Fighting Words," Obscenity, and Child Pornography (So-called "Unprotected Speech")
   51.2.4.4    Less-Protected Speech, Media, and Recipients
   51.2.5    Legislation and Legislative Initiatives in the United States
   51.2.6    Attempts to Control Access: Case Law
   51.2.6.1    Public Libraries
   51.2.6.2    Public Schools
   51.3    Filtering Technology
   51.3.1    Underlying Principles
   51.3.2    Legal Aspects of Censorware Investigation
   51.3.3    Vulnerabilities and Exploits
   51.3.4    Performance
   51.3.5    Parental Involvement/Responsibility
   51.4    Summary
   51.5    Notes
   51.6    For Further Reading

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