Follows reader's preferred pattern instead of a fixed sequence Nurtures active participants instead of passive readers. Books are more portable and inexpensive per unit.
Computers have high initial investment.
Commercial software is legally and technically complex. Mixed level of authoritativeness. Admits substitution of one student's efforts for another's. No controls over plagiarism or ghosting. Using Hypertext Materials Hypertext study materials in the library not currently available potentially valuable Hypertext study materials in the classroom requires technology for display.