Google Glass: A safety hazard?

This article raises an interesting question that seems like an idea topic for a Master's thesis in ergonomics: Is wearing a pair of Google Glass spectacles a safety hazard? Based on my background in ergonomics, I'm going to say that "yes" is a safe bet. Google says they came up with the googly glasses so we don't have to look down at our phones, but is it any safer to be walking down the street reading a text on a virtual screen? Or driving while reading a text that appears to be on the road in front of you? We're about to enter an era with a whole new way to drive and walk distracted, and expect fatalities, unfortunately.

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