Both. It's relatively new, with a small number of manufacturers, and it doesn't have the kind of usage that other screen technologies have gotten. You can't find very many electronic things that don't have an LCD on them, so LCD manufacturers got a lot of money to improve their products. E-ink is mostly sold on ebook readers and that's kind of it, so they haven't had the resources to get similar levels of technical improvement or price reduction. It will come at some point, but probably will take some time.