colored ebook reader, low powered electronic bill boards, camouflage armored tanks, and planes, smart phones, smart watches e.g. Pebble, store signs, laptop, mo

colored ebook reader, low powered electronic bill boards, camouflage armored tanks, and planes, smart phones, smart watches e.g. Pebble, store signs, laptop, monitor, tablet... Basically, anything you can do with a LCD. This however uses way less power.