Video: Happiness doesn’t just happen on its own. Here’s how to use data to build a more joyful life

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What if you could figure out how to optimize your joy? For an entire year, Quartz science reporter Katherine Foley tracked all of her very best memories—thereby generating a set of data that demonstrated what really made her tick. 

Watch the video above to find out what happens when you a quantify a year’s worth of joy.