Some observers believe that this interconnectivity has now, after a quarter-century, made the PC obsolete. There are more specialized applications of computing and information technology in smart machines and mobile telephones, whose defining characteristic is that they communicate with each other.
有些观察家们相信，在四分之一世纪以后，这一互联使得个人电脑过时了。现在，灵巧的机器和手机中有了专业化的计算程序以及信息技术，它们与众不同的特点是可以相互交流。