21.   The service notifies users when they have won an item, been outbid or sold an item.

22.   The software keeps track of activity at locations of interest on the Internet and notifies the user of changes at those locations.

23.   The smartest link of the week belongs to ESPN.com, which notified its users on its opening page of the Anna Kournikova e-mail virus on Monday.

24.   This push product will allow Web sites to notify computer users of any updates.

25.   Thursday, Microsoft began notifying registered users of its software about the problem via e-mail.

26.   Users will be notified of the problem when they log on to the network.

27.   The pager user is notified of the pages with a single beep.