iLingual (not to be confused with Linguo, the grammar robot) will help you communicate in a foreign county and make people smile at the same time. According to Cult of Mac:
The iLingual app is clever translation software that speaks foreign phrases with video of your mouth saying the words. Launch the app, snap a picture of your mouth (or someone else’s) and hold the iPhone in front of your mouth. The software animates your mouth to make it look like you’re actually speaking French (or German or Arabic). Well, sorta.
See for yourself below: The best part about this iPhone app? It's free. We mean,
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Video: YouTube / jeremyw75