”What this shows is that as we increase the speed, the real impact of the speed on what we do with it is marginal. Can your eyes tell the difference between a web-page loading in one second or 0.27 seconds.”
There are a few things the article doesn't take into account, such as the impatience of the average net user. I've found wonderful use for my 7Mbp/s line at home, especially when I download large files on a daily basis. The article makes some good points, however, and is worth a read.