11.   It helps prevent users from jumping out of the program by accidentally clicking on the desktop.

12.   Sales contended that eBay is deliberately trying to prevent its users from knowing that similar items can be obtained at lower prices from other auction sites.

13.   She ordered Napster to prevent users from exchanging unlicensed copyrighted files.

14.   SecureASFdd copy, as it is known, is said to prevent users from playing unauthorized audio files.

15.   Some are installing stripped-down computers that prevent users from loading their own games, screen savers or other personal touches.

16.   The program can be used to prevent users from accessing certain sites on the Internet.

17.   The software included a mute function that would prevent users from hearing their computers redialing a new number.

18.   This feature is a breakthrough for Internet vendors because it prevents multiple users from dodging the pay-per-view fee by sharing the same stream.

19.   They want to build anti-piracy features right into digital music players,to prevent users from making perfect copies of the tunes and giving them away.

20.   Under the order, Napster is required to prevent users from exchanging files within three days after the record labels ask Napster to remove them from its search index.