I do remember mentioning this to a few hundred people a time or two
“The study — performed by the consulting firm WAV Group — concluded that listing data displayed by Zillow and Trulia was not as complete, timely or accurate as information provided by three brokerage sites operated by Redfin, Long & Foster Cos., and Windermere Real Estate.” The rest of the article in Inman News
Have to tell clients this all the time, this is a good article to share!