Dotnaught writes "The Computer and Communications Industry Association — a trade group representing Google, Microsoft, and Yahoo, among others — has issued a report(pdf) that finds fair use exceptions add more than $4.5 trillion in revenue to the U.S. economy and add more value to the U.S. economy than copyright industries contribute. "Recent studies indicate that the value added to the U.S. economy by copyright industries amounts to $1.3 trillion.", said CCIA President and CEO Ed Black. The value added to the U.S. economy by the fair use amounts to $2.2 trillion."

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