Wall Street sells trust. Trust that, for the one time you want to take a company public in your life, that it won't get screwed up. Trust that they'll repay the

Wall Street sells trust. Trust that, for the one time you want to take a company public in your life, that it won't get screwed up. Trust that they'll repay the billions (trillions?) of commercial paper loaned nightly over the phone, day-to-day, to the commercial banks, which they use to pay interest. Technology is the last thing Wall Street sells.