This book constitutes the thorouhly refereed post-conference proceedings of the First Future Internet Symposium, FIS 2008, held in Vienna, Austria, in September 2008.The 10 revised full papers presented together with 4 invited papers were carefully reviewed and selected from numerous submissions. The papers address novel ideas and current research results related to the future internet infrastructure, user-generated content, content visualization, usability, trust and security, collaborative workflows, the internet of services and service science.