A buddy showed us the Google Translate app over the weekend and the entire room had their minds completely blown. It works and it works WELL. All you do is hold you phone/camera up to whatever you want to translate and it will automatically do it for you. It's something you kind of have to see to completely understand, so here's a GIF that speaks much louder than words.
Can you imagine walking around a foreign city and wearing glasses that do this on the fly? Even faster? The future is here and it's only going to get cooler. Here's a video a team at Google put together that shows it off even more. Truly awesome stuff.