1.   Drug users were warned about the dangers of sharing needles.

2.   Both computer makers configured the browser to allow powerful little programs to run without warning the user.

3.   CompuServe has been knocked for this feature, but to its credit, users are warned before installing NetLauncher.

4.   Health officials mounted a public campaign to warn heroin users.

5.   If not, Explorer warns the user that the file that has just been downloaded might not have been created by the company that is claiming authorship.

6.   In fact, users are repeatedly warned with desktop messages never to attempt such a risky maneuver.

7.   It can be programmed with a distinctive ring for VIP calls and will warn users when battery power is low.

8.   One feature of the CD-ROM, called Citation Guide, will warn a user of other cases that could affect the one being viewed.

9.   Sun said it published a repaired version of the software this morning and warned Internet users of the earlier flaw.

10.   The calculator also has a safety feature that will warn a user when calorie intake is too low.