I love Zillow. It's such an amazing search interface for real estate. But that's it... it's just a search interface. And because it's just search, I have to sort through good properties and bad. Maybe that situation benefits their business model, which I won't pretend to know. However, with a little data science we could take the treasure trove of data they already have, add a few UI elements to capture some more, and provide personalized recommendations to house hunters. Users who get what they want quickly are happy customers! Let's look at what they could do to increase their dominance of the online real estate market.
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