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[liberationtech] MetaPhone: NSA metadata study by Stanford SecLab looking for participants

Moritz Bartl moritz at
Sat Nov 16 12:01:36 PST 2013

You are invited to participate in a research study about the privacy
properties of telephone call and text message logs. The purpose of this
study is to understand how much information can be inferred from such
logs. In the course of the study, your mobile phone will transmit device
logs and social network information to researchers at Stanford
University. Device data will include records about your recent calls and
text messages. Social network data will include your profile,
connections, and recent activity. The data will be stored and analyzed
at Stanford, then deleted at the end of the study. Research staff will
take reasonable precautions to secure the data in transit, storage,
analysis, and destruction.

Time Involvement
Your participation will take approximately one minute.

Risks and Benefits
While we will take reasonable precautions to secure the data that you
provide, there does remain a risk of inadvertent disclosure. We
anticipate the benefits from this study to include informing
policymakers and the public about the privacy properties of telephone
metadata. We cannot and do not guarantee or promise that you will
receive any benefits from this study. Your decision whether or not to
participate in this study will not affect your employment, medical care,
or grades in school.

You will not receive payment for your participation.

Participant’s Rights
Your participation in this study is voluntary. You have the right to
withdraw your consent or discontinue participation at any time without
penalty or loss of benefits to which you are otherwise entitled. The
alternative is not to participate. The results of this research study
may be presented at scientific or professional meetings or published in
scientific journals. With your permission, your identity will be made
known in written materials resulting from the study.

Age and Competence
This study is only open to persons who are at least 18 years of age and
who are competent to consent. If you elect to participate, you affirm
that you are at least 18 years of age and are competent to consent.

Contact Information - Questions
If you have any questions, concerns, or complaints about this research,
its procedures, risks, and benefits, contact the Protocol Director,
Jonathan Mayer.

Contact Information - Independent Contact
If you are not satisfied with how this study is being conducted, or if
you have any concerns, complaints, or general questions about the
research or your rights as a participant, please contact the Stanford
Institutional Review Board (IRB) to speak to someone independent of the
research team at (650) 723-2480 or toll free at (866) 680-2906. You can
also write to the Stanford IRB, Stanford University, MC 5579, Palo Alto,
CA 94304.

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