Google co-founder Sergey Brin
At this point, for privacy reasons, a facial recognition app is still rumored and spoken of in hushed tones.
However, it's hard to imagine such a feature will stay non-existent for long.
Whether it's an opt-in environment, or one that automatically detects identities with online sources, the future could come where you can board an airplane wearing Glass and it could identify nearly every passenger on board.
As Redmond harshly puts it, "privacy is a thing of the past." As well, he says, the devices are just going to get smaller and better.
Earlier this year, Google co-founder Sergey Brin walked onstage before a large crowd, looking down and poking at his smart phone. The audience was aghast at the sight of Brin phone-fiddling, while leaving the expectant crowd waiting.
Brin went on to explain it as an example and criticism of current smart phone usage, with people hunched over and looking down at their phones, instead of each other.
Glass could pull users away from their clunky devices, he claimed, and have them finally looking at each other.
5. Privacy could be lost, but with benefits.
Author's Note: Thanks to the Northwest Media Collective for sharing their Google Glass.