I'm not so sure that it was node.js that revolutionized paypal... seems like the gains were from switching to a more agile process (and adding some supporting tools). A lot of the fixes seem pretty agnostic to the actual platform that they switched to.
Note that all those open source modules that they talk about aren't released yet. krakenjs.com doesn't even resolve (for me at least).
Note that all those open source modules that they talk about aren't released yet. krakenjs.com doesn't even resolve (for me at least).