For many years now, the Internet seemed to be open, free, and competitive. Internet entrepreneurialism was high, financing easy, entry barriers low. But now, in the wake of the Internet's bursting bubble, the reality of that competitiveness deserves a second look: Is the Internet still as open...

For years now, the Internet seemed to be open, free, and competitive. Entrepreneurialism was high, financing easy, and entry barriers were low. But now, in the wake of the Internet’s bursting bubble, the reality of that competitiveness deserves a second look: is the Internet still as open and...