A hotel-room-style listing startup is mounting its largest offense against Airbnb. Sonder, a San Francisco-based startup that leases apartments and transforms them into furnished short-term rentals, closed on a $210 million funding at a $1 billion valuation, the company said Thursday. The move signals confidence in the hospitality startup that is going head to head with Airbnb. It entered the New York market last year after signing a lease at 20 Broad Street and has […]