Amazon has updated its Kindle for iOS application with support for magazine and newspaper subscriptions. iPhone, iPad, and iPod touch users can now browse, purchase, and read from more than 100 newspapers and magazines, complete with high resolution color photos, and the company confirmed that more content is on its way. Amazon customers with existing subscriptions can find recent issues under the “Archived Items” menu inside the application. The update also removes Amazon’s Kindle Store button from the the app now allows users to share quotes and passages with Facebook and Twitter friends. Kindle for iOS version 2.8 is available in the iTunes App Store for free.