In some cities, it’s much less expensive to find a room on Airbnb than it would be to rent out a hotel room. Yet most business travelers still choose to stay in traditional hotels, partly because their employer won’t allow them to or because they think they will have difficulty expensing the rental. After a year of seeing growth in this area, Airbnb is launching an improved experience for business travelers in the hopes of getting some of that sweet expense account money. [More]