Dutch startup Alphabeats monitors your stress level as you use it and rewards users for chilling and punishes them if they don’t. Utilizing your phone accelerometer and GPS sensors it measures your breathing subtly changing the sound of your favorite track along the way. Jur Vellema said “the brain is always searching for most optimal sound so in order to get there it will always try to find a solution to get better music experience and we reward for the search for better music .”

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