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3.3 Adaptability by readers for the task in hand

Hypertext systems have to be appropriate to the tasks that the users are trying to accomplish. There should be facilities for annotation and placing bookmarks. Hypertext interchange (the compatibility of file formats) is an important criterion of adaptability and hence acceptability. With the increasing use of hypertexts for collaboration, their evaluation should include the assessment of benefits to the group as a whole as well as the individuals.