21.   If a computer user fails to log off, the system is accessible to all.

22.   Computer users should make regular back-up copies of their work.

23.   ...computer users suffering from repetitive strain injury.

24.   E-mail scams that take advantage of unwary computer users.

25.   It now seems certain that cheap, convenient videoconferencing is at last going to reach a mass market of computer users.

26.   In the past a social science environment existed in which there were computer users and non-computer users.

27.   Computer users did quantitative analyses and specialised in using the Archive-type of information.

28.   He also urges computer users to think up more imaginative passwords.

29.   Although it became the bible of young, affluent computer users, Wired magazine was in constant financial turmoil.

30.   Also, several Web sites claim they can link the computer user directly to God.