但是，如今有三十亿网络使用者，这一开放性成了严重的弱点；事实上，这个弱点正在威胁到互联网为世界打开的广袤的经济机会海洋。
But, with some three billion or so users on the Web nowadays, that very openness has become a serious vulnerability; indeed, it is endangering the vast economic opportunities that the Internet has opened for the world.