There doesn't seem to be much broken that needs fixing on Twitter for iOS. Which is why the latest update to hit the App Store deals mostly in minor tweaks aimed at iPhone users. Now, Twitaholics that bump up the Twitter app to version 5.7 will enjoy a more "beautiful design" on the iPhone that widens timeline layouts, in addition to ushering in a preview ability for outgoing tweets and notifications for when your friends sign-up for the
