It is the embodiment of the microprocessor in the networked computer that is changing the supply-demand equlibirum. This is why the markets must necessarily crash. Now we're down to the point that causes me to be out of bed, writing this down for you at this unGodly hour. Write this down on a piece of paper and put it in your wallet, e-mail it to friends, and try to spend about 10 minutes per week thinking about the simple implications of why profits are dead. Just two simple concepts.
Pricing power is a function of demand and the number of participants.
The Internet allows the number of participants to increase to something approaching infinity. There are virtually no barriers to entry by new competitors on the web. A few examples. Let's start with big companies that own a technology lock, stock, and barrel. A monopoly has about as much pricing power as you can get.