Real estate shopping goes sky-high

Interactive aerial maps create new way of looking at homes online

David Eraker began searching for Seattle homes online in 2002 after he sold his condo. He tried comparing houses by price, plot outlines and other public information, but quickly grew frustrated with the tedious process of using four or five Web browsers and creating Excel charts.

So began Eraker’s determination to help solve some of what he calls “consumer pain points,” a journey that has resulted in