The social media site appeared to have encouraged developers of games such as Ninja Saga, Angry Birds and PetVille to allow "friendly fraud" so they could rake in more revenues.
According to newly unsealed court documents, Facebook intentionally permitted children to spend money on its site without the knowledge of their parents. In some cases, even the children themselves weren't aware they were racking up hundreds or thousands of dollars already while they play their favorite online game via Facebook.
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