Software upgrades occur frequently and often require significant retraining even for experienced users. IT professionals must maintain a level of familiarity with all commonly used programs, not just the ones with which casual users feel comfortable.
Worms, viruses, Trojan horses and other Internet-based dangers pose a significant risk to the viability of any organization. IT professionals must maintain literacy in current dangers and the steps necessary to prevent infections.
Perhaps most significantly, IT professionals are called upon to share their highly sophisticated and specialized knowledge with the end user, who needs effective, efficient instruction to make use of his computer technology.