The new-economy crowd insists this is nonsense: inflation is dead, and the concept of a natural rate of unemployment outdated.

ECONOMIST: Back to the glory days?

But hold on a minute, just because the exact models from Acer and Asus are no longer being manufactured does not mean that the netbook concept is dead.

FORBES: The Netbook Is Dead, Long Live The Netbook

But the concept is not dead.

FORBES: Drive-By Pricing

How is it possible for every planner in the Pentagon to be on board with a fashionable vision of future warfare, and four years later for the whole concept to be really most sincerely dead (to quote the coroner of Munchkinland)?

FORBES: Pentagon Buries Networked Warfare Strategy

The whole concept of self-regulation through self-interest is now dead, especially in finance but probably in other industries as well.

FORBES: Greenspan Testifies: Our Political Language Just Changed