What happened
On December 8, 2010, Redditor Gadianton created r/Random_Acts_Of_Pizza, a subreddit where users could either request a free pizza when they were short on money or volunteer to buy one for a stranger in need. Operating under the slogan 'Restoring Faith in Humanity, One Slice at a Time,' the community grew to more than 24,000 subscribers within three years and spawned a companion website with a verification system to deter fraud.
The subreddit became a widely cited example of online altruism and even drew academic attention: Stanford researchers analyzed its request posts to study what kinds of appeals successfully elicit generosity from strangers. In October 2012 its creator announced the formation of Random Acts of Pizza, Inc. as a step toward charitable status. The community demonstrated how Reddit's structure could sustain durable, self-organizing acts of kindness, offering a counterpoint to the platform's more notorious subreddits and informing later research into online generosity and trust.