We all know that Amazon is about to announce something big and new on September 6. But that won’t stop them from announcing some minor goodies such as the latest update to their Kindle app for iOS. Now standing at version 3.2, the Kindle iOS app includes a rapid highlighting feature which lets you mark important passages on what you are reading. The highlighting feature is also applicable for photos, illustration, tablets and more. So, if you use the Kindle app for your school work, then this new feature is a welcome development. Another new feature is adjustable margins for iPad app which allows you to choose from three layouts when reading an e-book. There’s also improved brightness control, and notebook for Print Replica Textbooks which compiles all your bookmarkes, notes and highlighted passages, photos, and images.