communications 21® is a full-service, integrated marketing, public relations and interactive firm based in Atlanta. Founded in 1992, c21® specializes in content marketing for business and consumer brands and organizations to increase awareness and drive demand. Our award-winning work includes marketing and promotional campaigns, strategic media relations, executive media training, crisis management, special events and a myriad of interactive services, including email marketing, social media marketing and engagement, mobile channel development, online advertising, SEO, video production and website development and management. Curious? Contact us.