Signs of a Bubble — Here’s one guys attempt to define the signs of a bubble. He extrapolates on the following 5 items, but I’m not convinced the forumla for identification is correct. I only agree with number one. But with the dotcom bubble I was hearing that two to 3 years before the bubble actually appeared. And, in fact, you hear it all the time in high-tech. Perpetually. Anyway the essay is food for thought, but I think we can do better.

And consider the possibility that the bubble is a cycle and the bubble itself creates much of the phenomenon that later gets analyzed as causative.

5. Little attention to infrastructure problems
4. Poster child can do no wrong
3. Features and me-too solutions
2. Money, money, money
1. “The rules are different now”