This book is part of a series exploring the dynamic universe of the Internet in the 21st century. Collected here are papers discussing a wide range of topics and issues impacting and relating to the Internet such as: text mining in electronic health records; search engine types, interfaces and use in proteomics; computer middleware theory and uses; using digital watermarking classifications and applications in analogue channels and IP networks and in identifying audio and video software products; instant messaging in primary schools and social motives; broadband internet access and the digital divide; net neutrality, and others. Such a selection makes this volume important to developing an overview of the key issues in the dynamic and wired world.