An active Twitter feed or Facebook page alerts followers to new stock, providing incentive to visit the car lot. A blog is another good way to form a relationship with customers. Chatty blog posts let the reader get a clearer picture of who they'll be dealing with, helping to build trust. Social networking offers a chance to answer questions without the buyer feeling obligated. The salesman is marketing his own personality and credibility online and, if successful, will drive customers into the dealership to meet him and see the cars in person.