The company drew its fair share of buzz in 2018 with actions that ranged from launching its Airbnb Plus program to ramping up focus on its Airbnb for Work business travel offerings and officially opening its platform to hotel distribution.

Few of the company's recent headline-grabbing moves, however, have generated as much curiosity as its December announcement that it was entering the home-design space. Known as the Backyard project, the initiative is billed as an effort to "prototype new ways that homes can be designed, built and shared."