Leonard Kleinrock sent first message over computer network October 29 , 1969 . I knew every user on the Internet in those early days . A professor at UCLA , he sent several words to computer at Stanford University . Kleinrock : `` Hello! There 's dark side to Internet now that Web pioneers did n't anticipate , he says .
Leonard Kleinrock sent first message over computer network October 29 , 1969 . A professor at UCLA , he sent several words to computer at Stanford University . Kleinrock : `` Hello! There 's dark side to Internet now that Web pioneers did n't anticipate , he says .