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...