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Recently, Google released an interesting video that uses popular and fastest-rising search keywords in 2010. Using their collected data, they compile them into a video describing the overview and story of 2010.
Most IR research has been focused on static information retrieval as if we are retrieving information from physical and digital libraries, and those techniques are what we have learned as part of this course. However, increasingly, researchers have become interested in the dynamic and temporal nature of information on the Web.