21.   A few years ago, Microsoft successfully went after Berkeley Systems for using its trademarks in a lampooning screen saver.

22.   A new series of free screen savers is poised to splash not only comical animation across your monitor but also advertising.

23.   A huge variety of Thanksgiving activities, games, screen savers, desktop patterns, history, links and background are as filling as Cherry Garcia.

24.   A Pissarro screen saver for Windows may seem a bit much, but it surely looks good.

25.   A password is needed to remove the screen saver.

26.   A password can be installed so only those who know it can turn the screen saver off and use the computer.

27.   A screen saver is simply a program that puts moving images or words on the screen after a computer has been left unattended for a preset time.

28.   After all, how much time do you think you would spend looking at your screen saver?

29.   Buckhouse, a San Francisco artist, said the prosaic nature of most screen savers inspired him to mount the exhibition.

30.   But if screen savers are less necessary for screen protection, according to Raymond Soneira, they can still help preserve the life of a display.