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Users expect the use of graphics and audio effects from the Internet in a way that print readers do not.

Print

Images have always been used for communication but in the tradition of print, the image is an expensive indulgence. It is also too difficult to incorporate audio effects in print. Readers have to pay more to get illustrated codex and look to a different media for sounds, such as the CD or the cassette tape. As such, while readers have always preferred pictures, they do not expect pictures as part of the printed book until recently where there is a "visual breakout" (Bolter 258) that threatens to become a marginalization of the text.

Electronic

With the electronic media, it is easier to incorporate digital graphics, animation and sounds and readers can and do expect an integration of sensory experience in a good website. This is in part because as Bolter puts it, "electronic technology does not promote a single mode of representation; it promotes instead radical heterogeneity." (270)