Dee Powers says it is not unusual for investors to get a bit carried away when new technology arrives on the scene. Indeed, she says, the late 1999 period of overly exuberant investing has historic precedent. “If you go back to the railroad, there were a lot of investments in the railroad and a lot of them failed, and it was the newness of the transcontinental transportation. I think that failure rate is not that terribly unusual.”