Hacker News Reader

I don't think enterprise ever has or will adopt Rails. Even node.js isn't at the point where it can really be considered "enterprise".

Java is dead. Long live Java!

Paypal uses node.js extensively. https://www.paypal-engineering.com/2013/11/22/node-js-at-pay.... They even open sourced their implementation of it: http://krakenjs.com/

SAP uses Rails for some of its products.