If you frequented Kendall Square in the late 1990s, you may have encountered one of the pioneers of wearable computing, students who ambled around Cambridge wearing special goggles with built-in cameras and display screens, toted computers in backpacks and messenger bags, and palmed special one-handed keypads so they could enter data. Sprouting wires everywhere, they looked like cyborgs late for a Halloween party. Some of them have reunited in Silicon Valley, where they now work for Google, developing a device called Google Glass.
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