Well..

Pot is called biggest cash crop - Los Angeles Times

A report released today by a marijuana public policy analyst contends that the market value of pot produced in the U.S. exceeds $35 billion — far more than the crop value of such heartland staples as corn, soybeans and hay, which are the top three legal cash crops.

Now come on. The 90's was the dot-com boom. The 00's will be the pot-sale boom.