A group more known for getting laughs has decided to get smiles, instead.

TrueStoryASA makes prank videos that are posted on YouTube, but they recently decided to mix things up a bit by recording themselves giving the homeless food, clothing, water and money in exchange for smiles. They wrote on their page, "Our intention in this video is to make their days and to make you guys always be positive to others."

Mission accomplished. Watch the video and you'll find yourself smiling by this very simple, but powerful, experiment.

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