Real estate player CoStar, parent of Homes.com and Apartments.com, is suing Zillow, claiming the online real estate marketplace is using tens of thousands of its copyrighted photographs to prop up its business. In court documents filed with the Southern District of New York this week, CoStar said it is trying to "redress Zillow’s widespread and systematic infringement of CoStar’s copyrighted photographs, which Zillow has unlawfully exploited to bolster its online rental listings business." CoStar claimed in ...