Chocolate is beloved by...well, most humans, it would seem. But this sweet treat that, for many of us, brings instant happiness, has a nasty secret: most of the world’s cocoa comes from a place where child labor, and sometimes even enslavement, is rampant. For decades, the giant companies that dominate the chocolate industry have said that it was impossible to know if their cocoa was tainted by labor abuses — the supply chain is too long, how can you possibly track cocoa beans back to a small farm in West Africa? Enter technology. But, it turns out, technology may not truly offer the answer to the intractable problem of child labor. The solution may, in fact, be lurking in plain sight. We talk to Nathan Hodge, of Raaka Chocolate; Charity Ryerson, of Corporate Accountability Lab; and Frans Pannekoek, of Tony’s Chocolonely.

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Over the past few decades, computer vision has held the promise of making the world a better place, from aiding the blind to helping doctors better analyze medical imagery. But as it turns out, teaching computers to see has some unintended consequences. Joseph Redmon, a researcher at the University of Washington and computer vision researcher, tells the story of the history of this quickly evolving technology, as well as his own experience seeing a something he built be put to uses he’d never envisioned — applications that might, quite literally, be used to kill.

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In June 2017, something weird — and very alarming — started happening at a company in Copenhagen. It seemed that hackers had shut down the company’s network, and were demanding a ransom. But it turned out this was no ordinary cyberattack. What unfolded was the most devastating cyberattack in history — one that brought operations to a screeching halt in companies across the world, and cost billions of dollars. Andy Greenberg, writer at Wired Magazine and author of the book Sandworm, tells the behind-the-scenes story of the attack, dubbed NotPetya — which, in its aftermath, was revealed to be not a sophisticated tool to steal money, but instead, a weapon designed to destroy a nation.

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