The most important thing to note is this has happened even before it hit critical mass, hell its in its infancy still. This is the reason why Airbnb never made sense to me as a business. The author is lucky there was no bodily harm done to him. It's too much of a risk to rent out your personal property to total strangers. Now they forever know where you live and more so know the complete layout of your house and what you have in it and your schedule. At the end of the day it cannot be more than bedandbreakfast.com used as a listing sits for businesses. That is why the 1billion valuation does not make sense either.