Asked about other possible attacks , Roberts said : “ I don ’ t think there ’ s any question about it that they ’ re going to be very global in nature .
Asked about other possible attacks , Roberts said : " I don 't think there 's any question about it that . . . they 're going to be very global in nature .
By 2007 , antivirus solutions will carry a worldwide price tag of $ 4.4 billion--double that of five years earlier .