For all the regulatory pushback against some parts of the so-called sharing economy, companies from Airbnb to Uber just might be winning the P.R. war. "My name is Carol Williams and I'm an Airbnb host." It's no accident. In New York, home-sharing website Airbnb has been appealing to public sentiment with this ad campaign for the last several weeks. "When I lost my job, my husband Paul and I really didn't know what we were going to do. We had a friend and he suggested Airbnb."