Nuance Communications has released an update to its Dragon Dictation app adding iOS 4 compatibility, multilingual support, direct speech-to-SMS and social networking integration. Dragon Dictation 2.0 takes advantage of iOS 4 in-app SMS support allowing users to send text messages directly from the app. The update also provides a redesigned interface with a pop-up toolbar and the ability to post dictated text directly to Twitter and Facebook. Support…