This video demo of Skype and the near real time translation of a call between an English speaker and a German speaker is pretty cool. I know Google has a translator as well and I have used it to speak with my wife's family, but this brings video into the mix.
Video link: http://www.wpcentral.com/real-time-speech-translation-coming-skype-later-year
Video link: http://www.wpcentral.com/real-time-speech-translation-coming-skype-later-year