Increasingly, it's beginning to look as though, after the initial attraction of high-definition's much sharper picture, interactivity is going to be the deciding factor that determines the outcome of the current format war.

ECONOMIST: Can Toshiba��s David topple Sony��s Goliath?

So, by definition, veteran traders will have had initial success.

ECONOMIST: They make the rules, and get the gold

The definition of a chaotic system I use is any system in which a tiny change in initial conditions can lead to a large change in results.

FORBES: Chaos Theory, Financial Markets, and Global Weirding