1.   But that mechanism was disabled shortly after the attack was detected last Wednesday.

2.   The suicide mechanism is genetically disabled in many cancer cells, particularly those resistant to chemotherapy and radiation.

3.   With this system, Microsoft will have some of that power, although Web site owners will be able to disable the mechanism if they choose.

4.   With this system, Microsoft would have had some control, though Web site owners would have been able to disable the mechanism if they chose.