Jacqueline Ros, 26, is the cofounder of Revolar, a Denver-based startup that produces an alert device designed to help people who feel they are in physical danger. Her motivation was personal: Her younger sister had been the victim of two assaults. The user presses the rectangular plastic Revolar, the size of a key chain, and it sends a signal to five designated loved ones who know to phone immediately.
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Via: Les Echos du net