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It looks promising, although it's a shame that they're advertising something you can't buy. The future isn't here yet because you're not a sufficiently cool or Beautiful Person to deserve it? Not sure if I want to beg for one on Twitter, like they want. But if they can get these to the point where it's impossible to tell if someone's wearing them (say, it was integrated into the frame of prescription or sunglasses with little or no bump), you'll start to see the culture change to accommodate the assumption that everyone is wearing one unless they explicitly signal that they aren't. The pan-opticon effect would be felt everywhere, changing how people behave.