http://digg.com/newsbar/Technology/realtor_listing_marketing_tool_for_social_media
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US residents can opt out of "sales" of personal data.
Realtors and successful Real Estate Marketers are using new low cost or free tools to get word out. Viral aspect of Facebook likes and page sharing doesn't hurt either
http://digg.com/newsbar/Technology/realtor_listing_marketing_tool_for_social_media