As recently as August, Airbnb was doing brisk business in New York City, with more than 22,000 listings there. Two months and a citywide crackdown later, that number has fallen to just above 3,000, a decrease of more than 80%. Local Law 18, which took effect last month, requires hosts of short-term rentals on Airbnb, Vrbo and similar sites to register with the city and live in the property they’re renting out. Marketplace’s Lily Jamali spoke with Amanda Hoover, a staff writer at Wired, who’s been following the fallout from the new law.