NEW LOOK Sign up to get the inside scoop on today’s biggest stories in markets, tech, and business — delivered daily. download the app Email address Sign up By clicking “Sign Up”, you accept our Terms of Service and Privacy Policy . Long before Airbnb persuaded strangers to sleep in one another's homes and became a $31 billion company, it was just an idea to earn a bit of extra money to make rent. Here's how they turned their idea to rent out an air mattress into a business that has the hotel industry running scared. AdvertisementThis post has been updated from an earlier version written by Biz Carson.

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Persons: —, Airbnb, Obama, Biz Carson Organizations: Service, Airbnb