The four most dangerous words in English are, "It's different this time."
Computers allow the bubbles to grow to undreamed of size, but they don't repeal history. "Efficiencies" brought by computers, such as JIT inventory and distribution, will turn around and make the crash far worse than in previous eras. The "efficiency" of JIT means that there is no pad to tide us through a disruption in distribution. A week's worth of food, that's all there is. One week after a panic sets in (for myriad reasons, take your pick) the ATMs, gas stations and supermarkets will be stripped bare.
Then, all bets are off.
Houses arent traded electronically. Its also hard to move into a house using your computer. Believe me I tried!!!