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. So now we’re building features that let you add co-travelers – so you can add and share ideas, so you can add comments, so you can collaborate,” said Laura Xu, an Android engineer on Airbnb’s Trip platform, during the presentation. “You can really build out your trip.” Get the full story at TechCrunch