Krrb 3-Minute Survey Getting started... 7% of survey complete. This survey is for existing users of Krrb.com, the Krrb iPhone App and the Apartment Therapy Classifieds (Powered by Krrb). * Which site do you PRIMARILY use? Your answer will set the context for the entire survey. Krrb.com the Krrb iPhone App the Apartment Therapy Classifieds the Chicago Magazine Classifieds Next