Finds owners who have their house for sale&amp;nbsp;using Trulia.com and then searches county records to find out if they still live in the state or not. It currently only works with Denver, Arapahoe, and Jefferson County, Colorado (thus it won&#39;t get the complete results for the City of Denver since it spans six counties), but I will expand it in the future. Douglas County is next. Once the RoboServer starts working again.<br />