(CNN) - Glass, Google's high-profile entry into the world of wearable tech, may help launch a revolution if it's released later this year as expected. But test models already on the street have begun playing a more unlikely role -- as symbols in a simmering fight over Silicon Valley's impact on the city of San Francisco.
It's a local story, but one with ramifications everywhere. While our smartphones drop easily into pockets and tablets get zipped up in cases or backpacks, wearables such as Glass are, quite literally, in your face all the time.
The $1,500 device, which displays Web content on a tiny screen, signals its wearer as a likely member of an affluent tech elite. And Glass also can discreetly shoot photos or video, which some people view as invasive.
That's caused unease for some folks and, in some cases has led to arguments, altercations and even attacks against people wearing the technology. (cont'd)
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