Hot property: How Zillow became the real estate data hub

If you’re buying a home or looking for an apartment, most likely Zillow.com will come to mind first, which is a branding triumph for a website that launched just 10 years ago. Today the Zillow Group is a public company with $645 million in revenue that also operates websites for mortgage and real estate professionals — and completed the acquisition of its nearest competitor, Trulia, last year. From the  start, Zillow offered the “Zestimate,” its value-forecasting feature for homes in locations across the United States. Currently, Zillow claims to have Zestimates for more than 100 million homes, with over a hundred attributes tracked for each property. The technology powering Zestimates and other features has advanced steadily over the years, with open source and cloud computing playing increasingly important roles. […


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