21.   But if all networks and individual users ran a powerful heuristics program, major virus outbreaks would never get going, Rosenberger says.

22.   But individual users must learn to protect themselves, Jackson said.

23.   But now, customized and relatively affordable electronic news programs are finally becoming accessible to individual users of stand-alone personal computers.

24.   But push systems swamped both individual users and corporate data networks with useless information.

25.   But its young designer, Marc Andreessen, gave his product away for free to individual users.

26.   But Scheinman said that the new system would mainly be designed for internal corporate communication, not for individual users connected to Internet service providers.

27.   But Ulrich stressed that the band had no intention of hunting down and prosecuting any individual Napster users.

28.   But, they add, the profiling software does not track individual users by name.

29.   CFN also operates a site for individual users that offers similar services called Youdecide.com.

30.   Depending partly on computer hardware, Exchange can handle thousands of individual users.