"Users have to be better educated about the risks of opening Office-style documents with macros in them without virus-scanning on their desktop, " says Neil Farish, a consultant with The Devon Group in Ottawa.

CNN: Stopping the next Melissa

Possible scenarios range from maintaining the status quo to a Chinese-style economic opening.

ECONOMIST: Cuba

Defending champion Petrova closed out her match in style, opening the final game with three of her seven aces in the match.

BBC: SPORT | Tennis | Petrova and Williams both advance