The task of ploughing through the increasing amount of information every day and integrating it from a variety of sources to support decision-making has proved to be daunting (Shenk, 1998)
Information overload is a syndrome that occurs when the quality of decisions is compromised as a result of spending too much effort and time to review more information than necessary.
Technologies that provide presentation services are primarily concerned with enhancing the interface between the user and the information/knowledge sources.