Facebook and Twitter today both welcomed Apple's iOS 7 update with significant updates of their own mobile applications. Facebook took to its blog to describe the changes it made to its app for iPhones, noting that it borrowed heavily from iOS 7's new design language. Facebook added a new navigation dock to the bottom of the screen that makes it easier to jump to different sections of the app. Additionally, it has a translucent bar at the top of the app that will change dynamically as you scroll through different photos and posts. Twitter also made changes to its app based on iOS 7's new features. For example, Twitter can now be searched by Siri, and Safari will display links shared in the user's Twitter feed. It also ties Twitter's music discovery feature to iTunes Radio via its own station. Further, Twitter makes it easier to share web pages and photos from within select iOS 7 apps, and adds Twitter handles to the iOS 7 contact application. Both Facebook and Twitter for iOS will be available later today and are free to download from the iTunes App Store.


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