Arianna talked on Tuesday morning with App Annie's Nicolas Beraudo on CNBC's Squawk Box. As Beraudo explained, App Annie ranks "every single category [of apps] in every single country in the Top 1000."
Arianna detailed HuffPost's GPS For The Soul app in her discussion with Beraudo.
"It gives you a proxy for your stress level, your heart rate variability," she explained. "And then you can launch a guide that helps you course correct. You can personalize it with the things that you love, the things that make you feel centered and unstressed."
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