BlogTalkRadio is a popular Internet venue Realtors can use to build a local customer base and a referral network. The goal is to brand yourself as a real estate expert who is involved in the community. A broader audience listens if your level of expertise goes beyond real estate. Think about local and national trends, and mix those topics with local housing information. Don’t stop there. Market your shows to the world via social media. Watch the video for more tips.