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If you believe you have any Comscore panel software installed on your computer (under the brands  RelevantKnowledgePremierOpinionOpinionSquare or  PermissionResearch), you must complete this form from a computer on which the software is installed so that we can read and retrieve the machine ID associated with your account. The machine ID will be used for the purpose of retrieving data related to that account from our systems.  If you do not wish to provide your machine ID, you should not submit this form and Comscore may be unable to process your request. If you have any questions, please contact

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1. If you are a participant in the MobileXpression panel.
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