1. How iTunes Genius Really Works
I guess there is nothing revolutionary here. Straight forward recommendation approaches. I guess use of tf-idf was a bit surprising though the use of factor analysis is interesting.
2. Oil reaches Louisiana shores
Some awesome set of pictures about the impact of oil spill.
3. Detecting Spammers on Mechanical Turk, Part I
Some interesting set of approaches to detect spammers. I really like their clever tweaking of EM algorithm and confusion matrix for this purpose .
4. Econophysicist Accurately Forecasts Gold Price Collapse
Econophysics ? The discussion seems to be a bit fanciful to me though despite the notable successes.
5. Netflix On Its Market
Contains a link to a presentation by Netflix CEO. Pretty informative.
6. Yi Ma and the Blessing of Dimensionality
I kind of hated this article. It is a long article but ultimately it conveyed little. From his web site and association with Emmanuel Candès , I presume the article discusses about Compressive Sensing and related applications.
7. Reading Baby Brains
This decade has been an exciting one for cognitive fields and this is the latest example.