Airbnb started out as a really low budget platform. You could couch surf. You could stay in somebody's room in their house. And now it's had a total shift. You're not even allowed to count an air mattress, which ironically is how the owners started, by renting out air mattresses on their living room floor for $80 a night when there was a design conference in San Francisco because they couldn't make their rent. But now they even have Airbnb Lux. They have Airbnb Plus. They have super hosts....