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'''Variability''', refers to the idea that a digital product is not fixed, but can exist in different potentially infinite versions. The term originates from [[Lev Manovich]]'s 2001 book [[The Language of New Media]]. Variability is a consequence of [[Numerical representation]] and [[Modularity]] which render media able to be "programmed" and thus able to manipulated mathematically.
Because hypermedia exhibits Manovich's principle of [[modularity]],the elements and the structure are by definition, independent of each other. This enables the user to play an active role in determining the order in which the already generated elements are accessed.