Zillow’s online tool for estimating home values is getting a reboot. 

Until recently the so-called “Zestimate” had a big limitation: its algorithm could make a pretty good guess based on comparable sales and square footage and the like, but couldn’t actually “see” a home. Now that’s changing.

The company announced this week it will analyze photos to try capture nuances like natural light and curb appeal. What could possibly go wrong?

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