Harder, Better, Faster, Stronger
Big companies run on JS
IBM has also embraced NodeJS as well. Myles Borins from IBM say - "During October of 2015 I was given the task of working on the Canary in the Gold Mine, a smoke testing utility that automates running unit tests of various modules in the node.js ecosystem. CITGM has been incredibly successful, finding all sorts of regressions across the ecosystem and in node core itself."
Uber has built its massive driver / rider matching system on Node.js Distributed Web Architecture. Node.js is being used at Uber and future growth requires the community to push the boundaries and expectations for Node.js.
Front end frameworks
On mobile applications
Over desktop applications
Open to everyone
Abstract Syntax Tree