No matter which ecosystem you’ve bought into, be it iBooks, Kindle, Nook or otherwise, there’s no denying that Amazon’s Kindle apps are part of what make the system great. The latest update for its iOS app brings in some much-desired changes, including rapid highlighting and better navigation. Version 3.2 of Kindle for iOS also brings in adjustable margins, allowing you to choose from three different layouts depending on what works best for you. There’s better brightness control too, which Amazon describes as being “more responsive and [including] optimized font hues for better viewing.” Read the full story at The Next Web.