| http://www.w3.org/ns/prov#value | - s, ranging from traditional retail CD sales to digital downloads played on a computer or digital-media device.The Reg highly recommends downloading and perusing the 30-page paper - it is perfect light reading for your late-summer beach holiday.To determine the carbon footprint and energy required for each scenario, the researchers took into account such factors as CD production and materials, packa
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