Let's get the hard part out of the way: Sometime in the next few days, what you see on your Facebook homepage - or News Feed - will look a lot different.
Can you pour a beer with your mind? You can - if you wear a headband straight out of Star Trek. Could you use your eyes to scroll through a website on your tablet? You can - if your tablet has a camera and an infrared LED. As technology gets better and better at reading our bodies' signals, we may not have to use a keyboard - or even touch our computers - to use gadgets in our daily lives.
"Welcome back to the Hollygrove neighborhood, " a Habitat for Humanity staffer said as she greeted a second wave of AARP members arriving ready to paint houses here this afternoon. "AARP has a lot of history helping out in this neighborhood, and we're glad to see you again."
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