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Hypertext is fundamentally open in several respects.
The hypertext author has few tools with which to retain the attention
of the reader, particularly when he or she wants to take advantage of
the informational and rhetorical strengths of hypertext. The "surfing"
metaphor for the experience of hypertext engagement only partially captures
the extent of openness. While the surfer theoretically "rides"
a wave to its end, the web surfer rides a hypertext until he or she follows
a link to another hypertext.
As a text that resides on the web, any element of a hypertext can become
an external link from another hypertext. When I link to any page on another
author's hypertext, and my reader chooses to follow that link, I establish
a context within which my reader will initially experience the content
at the end of the link. The author of the hypertext has little or no control
over this linking, and so lacks even the most basic assurance that the
reader will first encounter the hypertext as intended by the author.
For Landow (1997) and others, the openness
of hypertext reduces the writer's autonomy as author and alters the identity
of the reader as recipient of a text that is self-contained.
For the author of a hypertext research essay,the openness of hypertext
is often at odds with the focus required in an effective research essay
(Janangelo).
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