Now history is repeating itself as one technology firm after another piles into the fledgling market for touch-screen “tablet” computers, which are set to disrupt the computing industry.

现在，历史正在重演：科技公司你追我赶，相继涌入新兴的触屏式平板电脑市场，这种新型电脑即将改写整个计算机工业的运转规则。