In recent years, Airbnb has been working to expand its business beyond accommodations, by becoming a more robust travel companion with features like guidebooks, suggested experiences, and full-service hospitality for high-end travelers with its still invite-only Airbnb Beyond, for example. Now the company is preparing even more trip-planning features, including support for adding co-travelers to trips and other collaboration features for group travel. Airbnb offered a sneak peek at these otherwise unannounced features at a recent tech talk given at company headquarters. “Trip planning is not necessarily complete unless you can share your trip with someone.