If you rent out your house on Airbnb to a visitor, you're not renting to a local who would like a place to live. Is this a problem we should correct?
Also, a former Microsoft tech visionary stands up in the back of the class and says Mr. NASA, I think you screwed up your asteroid calculation.
And you think 3D is cool? What will you think when you’re inside the movie? That’s what virtual reality promises.
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