I had a chance to see this in action a while back. While I, and none of the people I saw this with, were not at all impressed by NKS, this project blew our minds. We watched as it pulled up and manipulated everything from Egyption fraction expansions to historic weather data to the human genome. If the author of this article is exaggerating, it's not by a whole lot. While Wolfram may not be bringing about the revolution in science he hoped to, don't forget that he and his crew made Mathematica, and are very capable of creating impressive software.