A necklace that protects women from assault

The Women’s Safety XPRIZE of $1 million was awarded to Leaf Wearables. The official challenge was to create a device costing less than $40 that can “autonomously and inconspicuously trigger an emergency alert while transmitting information to a network of community responders, all within 90 seconds.” Leaf had the advantage of having already shipped a product along these lines, the Safer pendant. https://safety.xprize.org/prizes/womens-safety/teams/leaf_wearables

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