Today, Microsoft-owned Skype has been updated on the iPhone and iPod touch (the latter sold 100 million units since its 2007 inception). The enhancements include a pair of features related to the application's chatting and VoIP calling capabilities.
For starters, one-to-one chats now appear in the correct order. There's also a new introduction screens for first-time users. More importantly, the VoIP application now lets you switch easily between headset, speaker or Bluetooth device, without interrupting call in progress...