11.   And, the file sections of most online services and amateur bulletin boards also offer shareware versions of screen savers.

12.   Aristo-Soft also markets MegaDittos, the first screen saver to spoof the current presidential administration.

13.   Astrophysicist Dan Werthimer is looking for aliens, or more precisely, he is listening for them via a modified screen saver for a personal computer.

14.   Because a screen saver runs when a computer is inactive, its greatest impact may be on others.

15.   Beyond colors and fonts, Themes changes the desktop wallpaper and icons, screen saver and sounds.

16.   Blades and Boyd are the husband-and-wife founders of Berkeley Systems, a screen saver and computer game company.

17.   Both programs come with an assortment of screen savers.

18.   Both these projects distribute a special-purpose screen saver that runs on Windows and Macintosh-based PCs.

19.   - Do not open attachments, such as screen savers or documents, which have been forwarded.

20.   A crossed-out dollar sign, for example, means that the screen saver is free to download.