To help citizens navigate their way towards informed choices amidst the flood of political messaging, we will be building on journalism partnerships to present digital library reference pages for political ads. Our journalism launch partners include Politifact, FactCheck.org and the Center for Public Integrity.
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Another outgrowth of our political ad experiments last year was applying audio fingerprinting to algorithmically find all other instances of an ad, once a single one had been identified. We used the audfprint tool developed by Dan Ellis at the Laboratory for the Recognition and Organization of Speech and Audio at Columbia University.