SAN FRANCISCO--(BUSINESS WIRE)--Airbnb, the world's leading community driven hospitality company, today announced their new app for Apple Watch. Traveling is the ultimate on-the-go activity, and Airbnb’s new Apple Watch app makes it simple for hosts and guests to manage a new or upcoming trip and communicate with each other instantaneously. The new app for Apple Watch features Airbnb messaging, which is frequently used between hosts and guests before, during, or after a stay, and provides anoth