Stanford Scientists Are Studying Altruism In The Free Pizza Subreddit

You can request a pizza on Reddit, and a kind soul might decide to buy you one. But what kind of requests motivates such a random act of cheesy kindness?

You can't always get what you want. But if you try sometimes, you can get free pizza on Reddit. And there, in the Random Acts of Pizza subreddit (tagline: "Restoring Faith in Humanity, One Slice at a Time"), Stanford computer scientists say they've found the perfect conditions for a natural experiment in human altruism.

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