San Francisco-based Trulia said today that it has launched a real estate advertising network. The firm said its new vertical ad network will allow advertisers to reach approximately 10 million monthly unique visitors across its network of targeted real estate sites. Sites included in the network include Oodle, Homes & Land, and The Savvy Source, along with a number of other content publishers. Trulia said its advertisers currently include Wachovia, Lennar Homes, The Carrier Corp., DirectBuy, Prudential Real Estate, Windermere Real Estate, and ZipRealty. Trulia is a provider of a residential real estate search engine.