Real estate agents have at least one way - most likely several ways - for potential home buyers and sellers to find them online. But simply being online is not enough anymore. More and more research shows that consumer reviews of services and products are more compelling than any other typical marketing. Does this hold true for real estate agents as well? ZipRealty surveyed over 2,500 online home buyers to find out how often they use online review sites, what would make them contact an agent they found online, and more.