links for 2009-11-01

Using some statistical trickery, the Twitter API, and my RJMetrics dashboard, I uncovered a ton of astonishing new information about Twitter. Here are some highlights:

The goal of my Super Trader program is to help people develop a full time trading business that produces consistent, above average profits under various market conditions…And to help traders reach this goal, I’ve designed a five step approach…

The point of The Black Swan is that both empirical knowledge (i.e. extrapolating statistics) and a priori theories fail in the tails and it is vital to "robustify" against it using the concepts of "the fourth quadrant". The point has been garbled by members of the economics establishment that claim mistakenly "we know that" and "we know about fat tails" or "power laws". This is both wrong and not my point. The paper presents corrections to the misperceptions.

There are bullish pundits and bearish pundits – and like broken clocks, some are always looking brilliant. And then there is Jeremy Grantham , chairman of investment management firm GMO LLC.