I don't think the author has any idea what anything in that article even means.
http://mashable.com/2011/03/10/node-js/
http://venturebeat.com/2012/01/30/dahl-out-mike-drop/
http://nodeknockout.com/judges
Here's an interview she did last year with a Node dev in which she referenced LinkedIn's work with Node for their mobile site.