In reply to ThomasV.

Hi Thomas

Some of the math is not entirely new (Lasso and Least Angle Regression - they date back to 1996; or greater use of topology based algorithms; or even graphs for that matter).

As you know, with Big Data, not only are sample sizes growing - creating spurious correlations - but also number of features that may be interesting is also rapidly growing. Techniques are being developed to deal with this growing complexity.

Btw..there was an article in Wall Street Journal last year that captured some of this at a very high level: