They may not be easy to identify with complete certainty.

CNN: Syrian war is everybody's problem

But whereas it may be easy to identify a rotten banana, it is harder to be sure which trainee will be the next Nick Leeson and which the potential George Soros.

ECONOMIST: They make the rules, and get the gold

When I tried it, I was the only match in my zip code, suggesting that I, like so many others, would be easy to re-identify.

FORBES: Harvard Professor Re-Identifies Anonymous Volunteers In DNA Study

What they miss is that if "bubbles" were so easy to identify, there would never be bubbles to burst at all.

FORBES: Magazine Article