If you're looking for a textbook example of an IT hype cycle, let spin be your guide
Spintronics is/was cool Columnist The four horsemen of disaster in IT decision-making are fear, uncertainty, doubt - and hype. FUD famously first pranced forth when IBM ran the world and its salespeople ladled them out over any upstart which had a chance of taking market share. But hype - ah, hype. The salesman-on-uppers to FUD's downer street preacher, it wants your investment of hope so it can bolster those of others. It's a pyramid scheme of promises."