ReDigi is a website where people can sell their legally purchased digital music files in the US, think of it like a used record store for digital music. Capitol Records is suing the website for copyright infringement and the case will be argued in a US court in early October. James Grimmelmann is a law professor at the New York Law School. He talks with Nora Young about this case which explores the question: Can we resell our legally purchased digital music files?

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