Drupal is an open source content management system (CMS) focused on dynamic web services. With Drupal you free yourself from paying for proprietary software.  Businesses can lower costs dramatically compared to proprietary systems. Engage customers and build your brand. What you get is a platform that is ideal for social publishing, search engine optimization, and lead acquisition. With Drupal, businesses can quickly have their content found and published in a collaborative environment. Share information on forums and blogs, connected with Drupal.  Having a truly interactive site brings people back to share ideas and experiences thereby building long term relationships and sales. Lead acquisition is integrated with salesforce.com. See our featured site http://www.signaturebuildingsystems.com