31.   But others are using technology as a powerful tool to help bring the family together and plan the events.

32.   But scientists warn the technology will also provide a powerful new tool for fraud and propaganda.

33.   But the control of so many local phone lines would remain a powerful competitive tool in the hands of one company.

34.   But the epic investigation had also changed the FBI, bringing to law enforcement powerful new tools.

35.   But they both agree music and tennis are powerful tools for children.

36.   But they give the drugmakers a powerful marketing tool and put them in the middle of one of the hotter Internet privacy debates.

37.   But their most powerful tool is publicity.

38.   But while hate is just a mouse click away in cyberspace, the Internet can also be a powerful teaching tool.

39.   But while these low-cost commercials reach only a small portion of the television audience, they are powerful marketing tools nonetheless.

40.   But when we help our kids learn to take control of themselves, we give them a powerful tool to take control of their lives.