Another concern has to do with safety. Potential Glass wearers are afraid of being distracted by the data and images on the device, and walking into a moving car, falling into a manhole or worse. And one out of three say that they are afraid of being mugged if they don the wearable device.
Capturing 28% of Americans would still result in a pretty big sales number, but don't kid yourself. If this survey reflects real life intentions in the U.S., Google still has quite a few obstacles to overcome to sell these things. For those who envisioned a world where everyone, including new born infants, would be wearing Google Glass, you might want to put that image away.
The survey doesn't say that Google Glass won't eventually blossom and become a hit. But what it does say is that after letting smartphones, tablets and smartwatches into their lives, Americans are being more cautious when it comes to connected specs.
source: TolunaGroup, AdWeek, via CNET