source:[1] Compass and Zillow: Who Establishes Rules in Online Real Estate? (https://noteservicingcenter.com/compass-and-z ...)[2] Compass and Zillow Take Private-Listing Feud to New York Courtroom (https://finance.yahoo.com/news/compass-zillow ...)[3] Compass Accuses Zillow of Monopolistic Control in New Legal Battle (https://propmodo.com/compass-accuses-zillow-o ...)