Facebook launches massive push into real estate listings – Zillow. Trulia. Realtor.com. Redfin. All household names in the real estate listings world, right? Well, those companies now have some serious competition from a company that boasts an audience that dwarfs all of those sites put together – Facebook. That’s right. Facebook is coming to real estate listings. http://ow.ly/YfPm50f9XZ9