Justin Kosslyn, Product Manager at Google Ideas, is telling us about the Polaris project ("For a World Without Slavery"), which is making it possible to map, expose, and disrupt illicit networks with technology. The US National Human Trafficking Hotline has 150+ structured variables for 20,000 calls a year to drive national insights and policy. Patrick Keefe, a Staff Writer at The New Yorker, is working on making public records more accessible to address the problem. Justin sees hotlines as an increasingly promising way to amass data.

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