Playing DRM-crippled music will shorten the battery life of your music-player. Listening to DRMed iTunes songs on an iPod shortens the battery life by eight percent; playing back WMA-crippled files on a device from Creative Labs can knock 25 percent off the life of your device’s battery. The extra battery-drain is attributed to the computation necessary to decrypt the files and verify their licences — via Boing Boing
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