Even though I need a printer less and less, there's times I do
  and I'm glad I have one. With new battery technologies on the
  horizon, including a potential one that trickle charges via the
  EM fields around us (electricity, motors, wifi etc) - we're
  close to a point of a tablet or other battery powered devices
  that won't require plugging in too often. But, until that day
  comes...

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