Social networking is a lot cheaper way than traditional marketing and advertising methods to promote your business and to keep new and existing customers discussing online about your products or services. Here are some fast and easy recommendations for using some of the most popular social networking sites — Facebook, Twitter, YouTube, Google+, and LinkedIn — to bring interest and customers to your company. Promote your products or services through social networking sites by determining where your customers and potential customers are, and getting your product visible on those sites.