Seattle-based Windermere Real Estate has entered into an advertising deal with online real estate search and marketing company Trulia announced to boost the search placement of the company's property listings at the Trulia.com site. Windermere listings will appear as "Featured Listings" in the top three search results when consumers search for homes that have matching criteria, the companies announced this week. Realtor.com, another popular real estate search site, also offers paid advertising opportunities to give some properties a higher ranking and enhanced appearance compared to other listings. The deal between Trulia and Windermere highlights a growth trend in online real estate advertising and the increased sharing of property listings data feeds directly from r...