Another look behind the scenes at The New York Times. Did you know The Times has an R&D lab? 

Cascade allows for precise analysis of the structures which underly sharing activity on the web.

This first-of-its-kind tool links browsing behavior on a site to sharing activity to construct a detailed picture of how information propagates through the social media space. While initially applied to New York Times stories and information, the tool and its underlying logic may be applied to any publisher or brand interested in understanding how its messages are shared.