The coverage of Zillow’s latest results is fantastically uninspiring. Lots of big numbers, devoid of context. But when the dots are connected they reveal a rich story about the business’s evolution to Zillow 2.0. Perhaps most impressively, Zillow just had its third consecutive profitable quarter. For a business that’s basically operated at a net loss since inception, this is a noteworthy achievement. The move toward profitability is driven by Zillow’s premier agent program — the engine room of the company — which is firing on all cylinders and back to impressive growth (fueled by...