Minneapolis blogger Jennifer Prod spent the last six months of 2013 enacting public "happiness experiments" all over her city.
She tied poem-balloons around strangers' doorknobs, handed out Walden Pond-shaped cookies to passersby on Thoreau's birthday, and learned a lot about what it takes to bring connection, hope, and smiles to a community.
Read more about her adventures, and get psyched to try an experiment of your own.
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