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10 Feb: Data collection, privacy and digital civil liberties

Topics

  • Changing norms and laws around privacy across time and cultures, including how people balance privacy vs. other goals
  • Data aggregation, matching, and de-anonymization strategies
  • Facial recognition technology (used by public and private actors)
  • Consent for different types and uses of data

Table of contents

What is privacy?

  • Aristotle: public sphere (politics and commerce 🚹) differs from private sphere (domestic life, family and friends 🚺)

    • Individuals have interests in shielding the public from what happens in private
  • Social context is key, regardless of being in public or private

    • We want to be able to control what is known about us + how we present ourselves
    • Privacy is central to individual autonomy or self-determination
  • Modern, philosophical defintion of privacy:

    The claim of individuals to determine for themselves when, how, and to what extent information about them is shared with or communicated to others
    Privacy and Freedom, by Alan F. Westin, Atheneum, 1970, p. 7.

    • Violations of privacy impose harms
    • Privacy is about protecting intimacy, freedom, and control (Solove, “‘I’ve Got Nothing to Hide’”)

Privacy harms

Solove, Daniel J. “A Taxonomy of Privacy.” University of Pennsylvania Law Review, vol. 154, no. 3, 2006, p. 477.

  1. Information collection (surveillance)
  2. Information processing (aggregation and inferences from big data)
  3. Information dissemination (breach of confidentialty, discloure third parties, blackmail)
  4. Invasion of privacy (intrusion, decision interference)

Rival values

What other values/rights/interests might be in tension with privacy?

  1. National security (terrorism)
  2. Public safety (crime)
  3. Innovation
  4. Convenience

Notice and consent

  • U.S. approach to a company’s data: transparency and choice
  • U.S. entities inform individuals and provide a choice to consent or not
  • …This is appealing because
    1. our idea of privacy is to control information about ourselves
    2. we are committed to the idea of a free market
  • But that’s only true if…
    1. Individuals must be able to make informed, rational choices about the costs and benefits of different privacy policies
    2. The market must be able to deliver a diversity of products with different privacy settings
    3. We must be able to achive the societal balance that we want between privacy and other values via a set of decentralized decisions
  • …Are those true in practice?
  • Are individuals today actually up to the challenge of navigating privacy?
    • Social scientists are skeptical (Acquisti 2015). Lawyers are concerned (Solove 2013). Information scientists doubt it (Nissenbaum 2011).
      1. People are uncertain about their preferences
      2. Pereferences are context-dependent
      3. Privacy prefs can be manipulated
      4. Privacy self-management does not scale well
      5. People cannot factor in aggregation
      6. People cannot anticipate harm

What are the alternatives?

  • Comprehensive privacy regulation
    • …denies people the freedom to make choices
    • …is not always clear in the trade off of privacy vs. data use
    • …limits social benefits to data aggregation
  • Improving privacy self-management through:
    • Opt-in > opt-out consent
    • Global > local management
    • Focus on downstream use
    • Acceptability of basic privacy norms

Perspectives on data privacy

  • Data privacy often involves a balance of competing interests
  • Making data available for meaningful analysis
    • for public good: medical research and healthcare improvement, protecting national security
    • for private good: personalized advertising
  • Deleting identifiers doesn’t make PII unidentifiable

Why do I care about protecting my own privacy?

  • I’m an outspoken woman on the Internet and that comes with a cost. I need to protect myself and my family from any potential abuse.
  • I don’t want to be discriminated against based on criteria I don’t know about.
  • I’m going to live for a while — I want to be in charge of what information about me exists in the future for myself and my family.
  • I want to be able to protest against my country and my government without fear for my safety.
  • I don’t want to be treated differently because of lifestyle choices I intend to keep private.
  • I want to be able to make my own decisions without the influence of microtargeting.
  • I work for a visible, prominent company, and bad actors could weaponize that against me based on information I intend to keep private.

Reading list

Supplementary reading

Promise and perils

Rights and responsibilities

Technical deep dive

Making choices

Tensions and trade-offs