1. Identify three industries that may have difficulty identifying their end-user customers. What makes identifying customers difficult in this industry? How would each industry approach identifying their end users?
2. What do you believe are reasons for the highly visible failures of some of the early Internet enterprises? Do you see any parallels in more recent years? Are there any currently popular Internet sites that you think may not be sustainable? Is there an imbalance in market valuations and profitability?