How much energy does it take to power those iPads?

GigaOm writes, If you are like me, then you are constantly using your iPad all the time. I like to run my iPad at full brightness and I am almost always connected to the Internet. And that means frequent visits to the electric outlet – at least twice a day. And as a result I often fret about how much energy I am using on my iPad and other devices, and how they are impacting my carbon footprint....

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