Virtual reference is a vital component in twenty-first century reference service and the time for debate over its virtues and necessity has passed. This book fo

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Instant Messaging Abbreviations, Texting and Emoticons are all used much more in today's communication. This allows for quick contact with shortened words with

This book describes how to create Instant Messaging applications in Java and covers the Jabber IM protocols. If you want to create new IM systems, integrate the

Extensive data on the theoretical and practical aspects of electronic reference services! Digital Reference Services provides an overview of electronic referenc