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Re:Google Glass by discodave on Wednesday February 20, 2013 @10:25PM (#5255176)
That's not for voice recognition, it's to replace the headphone SPEAKERS because it's so windy on the bridge. The thing sits on the bone just in front of your ear. It's a really funny sensation but works well.

But I assume the same system would work in reverse.

Re:Google Glass by vicbrooker on Wednesday February 20, 2013 @11:05PM (#5255301)
I know that the bridge headset replaces the speakers, but reversing the system would remove a lot of the inherent problems with a system that relies on speech for input.

I remember using them when I was on the Harbour Bridge what feels at least 5 or 6 years ago - so maybe the tech has developed enough since then. Especially if Google has been throwing resources at it.