New Yorkers have been opening their homes to one another all week in the aftermath of Hurricane Sandy, and yesterday, Mayor Bloomberg and online accommodations marketplace Airbnb announced a way to make that process safer and easier. Airbnb’s new Donated Sandy Housing Directory will offer a directory of places for Hurricane Sandy victims to stay for free. The platform seems to be really successful as Airbnb has already seen 2,500 last-minute bookings near affected areas!