Originally Posted by
Dreadnaught
Kindle also uses "electronic paper". It's a bit different than an LCD —*the screen requires no power to display something, only to change the image on the screen. In other words, each page "sticks" with essentially zero power consumption no power until you "turn" the page. It means the screen is slow (I don't think a Kindle can play videos). But this gives the Kindle significantly more battery life (and readability in different environments) than an iPad or smartphone.