Airbnb Grows to a Million Rooms, and Hotel Rivals Are Quiet, for Now - NYTimes.com

Room to grow -- from an Airbnb market snapshot

"By any measure, Airbnb’s growth has been stunning since the company was founded in 2008. It now has more than a million rooms available in homes, apartments and even former barns — more places to sleep than hotel giants like Marriott and Hilton.

Despite this growth, though, the big hotel chains, at least outwardly, have yet to take substantial action to counter the potential threat from the upstart lodging service."

Airbnb Grows to a Million Rooms, and Hotel Rivals Are Quiet, for Now - NYTimes.com