SAN ANSELMO, CA - APRIL 21:  The Airbnb website is displayed on a laptop on April 21, 2014 in San Anselmo, California. Online home-rental marketplace Airbnb Inc. is about to receive more than $450 million in investments from a group led by private-equity firm TPG. The new investments will value the startup at $10 billion, significantly higher than some publicly traded hotel chains.  (Photo Illustration by Justin Sullivan/Getty Images)