Why aren't there more servers? Nearly everyone has replaced a computer in their lifetime, so why aren't these computers sitting as servers on the web? All of these old computers make perfectly good web servers. They should be in homes running as servers.
Well, we ran out of IP numbers. The BigCo's (ie cable the tele) are using this to their advantage to make the net more and more like broadcast instead of end-to-end. Read Doc Searls' piece on saving the net. It is a bit technical, not too bad, and requires you to work. I agree with the conclusion, the net needs to be saved.