The real estate slump may still be helping to drag down the economy, but real-estate sites like Trulia and Zillow seem to be holding up just fine. In fact, the number of monthly unique visitors to Trulia has more than doubled to 2.4 million over the past year, according to comScore. Zillow, in contrast, remained steady at 1.9 million U.S. uniques in July. The strength of these real estate sites in… → Read More